Cinnamon Sugar Blueberry Crumb Bars.
Super simple Cinnamon Sugar Blueberry Crumb Bars. These bars are berry-filled, extra jammy, buttery, and oh so delicious. The base is a simple salted butter crumb dough sweetened with golden brown sugar. The filling has hints of lemon and is made with fresh blueberries and blueberry jam…for the maximum berry experience. And the final buttery crumb layer is tossed in cinnamon-sugar, creating the ultimate extra sweet topping. Put everything together and you have a blueberry crumb bar that’s buttery, jammy, sweet, cinnamony, and layered with deliciousness. These bars are everyone’s summer favorite.
This post is sponsored by Land O’Lakes.
All Tuesdays are made better with something sweet, don’t you think? Especially when it’s summer and there are so many sweet berries and stone fruits to be baking with.
It’s funny, sometimes all I want to make are savory recipes. But then sometimes my sweet tooth kicks into high gear, and all I want to do is bake. Right now I seem to have a “summer baking bug”…and I’m not complaining one bit.
I’m so excited to be sharing these bars today. I’ve been working on them for weeks now and finally got them just right. Sometimes recipes are easy…and sometimes they require a little more time and attention. These are an example of the latter, but the added effort and multiple rounds of testing were worth it.
I could not love these simple blueberry crumb bars more. I rarely ever think a recipe is “perfect”, but these are pretty darn close.
Extra buttery, soft, sweet, gooey, filled with blueberries and hints of both vanilla and cinnamon. Honestly? These are the fruity bars you need to make this summer.
And super pretty, which I love!
Jumping right into the details…
As mentioned, these bars are easy to bake up and require very little prep work.
First things first, there are three very important ingredients in this recipe…the butter, the berries, and the jam.
Let’s start with the butter, as I think it’s rather important. You need to use high-quality butter here, preferably high-quality salted butter. Personally, I love using Land O Lakes® Butter. You all know it’s my go-to butter and what I use in my kitchen every day for both baking and cooking.
I love the rich buttery flavor and hints of salt in Land O Lakes® Butter. It creams wonderfully into a batter and always turns out the best brownies (like these peanut butter brownie ice cream bars) and sweet pies (like my peaches and cream pretzel pie).
A little fun fact about Land O Lakes®? They were founded in 1921 and to this day they remain farmer-owned. Today, they’ve grown into a group of more than 1,700 family-owned dairy farmers. I love that such a huge brand has remained true to its core values. To me, this makes their butter that much better.
Moving on to the berries…I really wanted them to burst in your mouth, but yet be jammy too. Enter the combination of fresh blueberries and sweet blueberry jam.
Using a combination of fresh berries and sweet jam adds so much flavor and texture. The fresh blueberries provide a burst of flavor with every single bite. But the jam makes the bars extra sweet, gooey, and yeah – jammy. I LOVE the combo. It’s the secret to making these crumbs bars some of the very best. If you haven’t tried using jam in addition to fresh berries in your baked sweets, you have to trust me and give it a try.
Assembling the bars.
For the dough, just mix the butter with flour, brown sugar, and a pinch of salt. Press half the dough into a baking pan, reserving the remaining dough for the topping. Then add the berries and jam. I like to toss the berries with a bit of lemon and vanilla for added flavor.
Now, with the reserved dough, toss it with sweet cinnamon-sugar. Yes, cinnamon-sugar. It’s that extra-special touch I love to incorporate into recipes. The cinnamon creates a warming bar and highlights the sweetness and saltiness within the berries and butter.
Crumble the cinnamon-sugar dough over the bars…and bake. About 30 or so minutes later you’ll have a kitchen that smells wonderful, and bars that look even better.
These are great as a sweet breakfast, afternoon snack, or after-dinner dessert. Oh, and eating them warm, right out of the pan, isn’t technically what you’re supposed to do, but it sure is delicious.
I’ll let you make the call on how to eat them. But you guys know me, I’m all about warm, right out of the pan…maybe even add some ice cream? Yeah, that would be delicious!
Looking for other berry recipes? Here are a few ideas:
Jammy Raspberry Cream Pretzel Hand Pies
Skillet Strawberry Bourbon Cobbler with Layered Cream Cheese Biscuits
Lastly, if you make these cinnamon sugar blueberry crumb bars, be sure to leave a comment and/or give this recipe a rating! Above all, I love to hear from you guys and always do my best to respond to each and every comment. And of course, if you do make this recipe, don’t forget to tag me on Instagram! Looking through the photos of recipes you all have made is my favorite!
Watch the How To Video:
Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.
Cinnamon Sugar Blueberry Crumb Bars
These super simple bars are buttery, jammy, sweet, cinnamony, and layered with deliciousness. They're everyone’s favorite bar!
- 2 1/4 cups all purpose flour
- 3/4 cup packed light or dark brown sugar
- 1/2 teaspoon kosher salt
- 2 sticks (1 cup) Land O Lakes® Salted Butter, at room temperature
- 1/4 cup granulated sugar
- 1 teaspoon ground cinnamon
- 2 cups fresh or frozen blueberries
- 1 teaspoon cornstarch
- 2 teaspoons vanilla extract
- 2 teaspoons lemon zest
- 1/2 cup blueberry or raspberry jam
1. Preheat the oven to 350 degrees F. Line an 8x8 square inch baking dish with parchment paper.
2. In a large bowl, beat together the flour, brown sugar, salt, and Land O Lakes® Butter, until a crumbly dough forms. If the dough seems dry, add 1 tablespoon water.
3. Press 1/2 of the dough into the bottom of the prepared baking dish. To the remaining dough, add the granulated cinnamon and sugar.
4. In a bowl, toss together the blueberries, cornstarch, vanilla, and lemon zest. Spoon the berries evenly over the dough. Dollop the jam over the berries. Sprinkle the remaining cinnamon-sugar dough over the berries. Transfer to the oven and bake for 45-50 minutes, until the crumble is a light golden brown.
5. Let cool completely before cutting into the bars. Keep stored in a sealed container for up to 1 week.
Our Favorite Recipes
Skillet Brown Sugar Peach Cobbler.
Incredible cake !
Thank you so much Oriane! xTieghan
Thank you so much Clare! xTieghan
Hi there, just noticed that you forgot to mention the brown sugar in the instructions. These look amazing and can’t wait to try them. Love your blog!
Thank you so much Lola! xTieghan
Hi there! These look amazing! Do you think either strawberries or raspberries would work out well for these? Thanks so much 🙂
Yes both strawberries and raspberries would work well here! I hope you love the recipe, please let me know if you have any other questions! xTieghan
Thank You. This looks so yummy, can’t wait to try it!
Thank you Carmen! xTieghan
This looks great. When do you add the brown sugar?
You add the brown sugar in step 2. I hope you love the recipe, please let me know if you have any other questions! xTieghan
These look like a perfect bake for late summer / early autumn!
Yes! Thank you Kelly! xTieghan
Are you able to freeze these?
Yes you could freeze these in an airtight container. I hope you love the recipe, please let me know if you have any other questions! xTieghan
I got double the amount of blueberries in my grocery order this week due to a substitution and I just happened to buy raspberry jam! I have all the ingredients for this, so I think I’ll try it! I think it would be amazing with a scoop of vanilla ice cream 🙂
So perfect! I hope you love this one! xTieghan
My family and I are eating these bars right now…delicious!!!
Thank you for all of the great recipes!!
Thank you for trying this Susan! I am so glad it turned out so well for you! xTieghan
I don’t normally comment, but wanted to share my feedback here.
Recognize that these are a sponsored post from Land O’Lakes, but this recipe could have easily cut the butter in half. Even with using the parchment liner under the dough, when I released it from the pan, it was dripping in grease. In addition, I felt like there was way too much dough, in general. After I patted as least half in the bottom of the pan, there was still a ton leftover, so I just put all of it on top. My bars taste good, but the top doesn’t have the kind of peekabo look where you can see the blueberries.The blueberry jam is a good addition that I haven’t done before with these kinds of bars (and luckily, I actually had it on hand).
Finally, I watched the video on how to make these. I do not know how flour/powder was not flying EVERYWHERE when she went to combine the first couple of ingredients. When I read the first step, I debated on using my stand mixer because I felt like this was going to make a mess, but I was lazy. And of course, as I used my hand mixer on the lowest speed, flour started shooting across the kitchen.
I don’t mean to sound critical, because I’ve made a lot of your recipes with little complaint and rave reviews. The flavors here are good. But I likely will not make this again — too messy and greasy.
Hi Katrina! I am sorry this recipe did not work as well as you had hoped! If there is anything I can help with, please let me know! xTieghan
I made this before the brown sugar was mentioned, so I did it wrong (added it with the granulated sugar step later) so it wasn’t great, but it wasn’t terrible either. I’ll make it again correctly when I have more berries.
Thank you Keri! Please let me know if there is anything I can help you with! xTieghan
I made these bars this morning and they were absolutely amazing!! I used my food processor to make the dough and it was a pretty straight forward and easy to follow recipe. We couldn’t wait for them to cool down so we ate them still warm and they were so good!!
Love to hear that, Nicole! Thank you so much! xTieghan
This is a winner! My husband can’t stop talking about how much he loves these bars. I am really pleased with how balanced the flavors are–buttery shortbread, just enough cinnamon, sweet berries, and even the raspberry jam I used came though. One of these days when we can again have guests over I am looking forward to making individual servings and topping it with a couple tiny scoops of ice cream. Thanks for a wonderful treat!
Thank you Staci! I am really glad this recipe turned out so well for you! xTieghan
I just made this tonight and it’s so yummy! The home made blueberry jam I put in it made it even creamier, and a more rich blueberry taste! Another winner!
Amazing!! I am so glad this turned out so well for you, Jen! xTieghan
My boyfriend and I made these after dinner last night. Sooo delicious and of course I had some for breakfast. Sweet and super moist.
Love to hear that! Thank you so much for trying this Jordyn! xTieghan
Oh my – made with wild blueberries grown in our backyard in Maine, this is incredibly delicious! Buttery and rich, with a nice tart bite from the berries and raspberry jam. Thank you for another amazing recipe!
Sounds amazing! I am so glad this turned out so well for you, Aimee! Thank you! xTieghan
Positively delicious. I made in 9×9 pan and they turned out perfectly. Love the buttery topping. When I need an idea / recipe, my first choice is always Half Baked Harvest. Thank you!
Aw that is so sweet to hear! Thank you so much Mary! xTieghan
Super yummy and easy. Went so well with vanilla ice cream to balance sweetness. Did have to cook an extra 10 minutes, but I have an extremely old
Oven. Everyone asked for the recipe! The lemon zest really helped it stand out.
Wow that is so amazing to hear! Thank you Sara! xTieghan
I just made these bars and they turned out better than i expected! I knew they would be delicious, but wow! My husband took a bite and these “wow, these are good”, doesn’t sound like much, but believe me – coming from him, that means that they are out of this world delicious:)! So thanks again for yet another amazing recipe!
Thank you so much Elena!! I am really glad this recipe turned out so well for you!! xTieghan
I made these for a potluck this week, and they were a hit! I loved that they weren’t too sweet, and the lemon zest gives them the perfect amount of tartness.
Thank you so much Emily! I am so happy to hear that! xTieghan
These look amazing!! Must try! Thank you for the recipe!
Thank you Erin! I am really glad this turned out so well for you! xTieghan
I have been on a quest for the best blueberry crumble recipe. I have to say, I am done looking. The extra thick topping layer with the cinnamon not only makes this a much more cookie like texture, but holds the blueberries together in a formal structure. I haven’t let them cool fully, so I will be interested to see if they become finger food like a bar cookie, but they are amazing warm with a fork. Tossing my other blueberry recipes for this, and will tinker with how to double it, as 8×8 is just not enough.
If you like to double the topping on blueberry crumbles and crisps, this is the recipe for you.
Hi Pam! I am glad you enjoyed this recipe! Thank you so much for trying it! xTieghan
I made these this week, and they’re so good. I even made my own blueberry jam, which was a breeze!
Thank you so much Victoria! xTieghan
I love how simple this recipe was!! You can’t go wrong with the flavors and it took less than 15 minutes to get it into the oven! My kind of dessert! Thank you!
Thank you Hanna! xTieghan
Oh my gosh…this recipe is heaven!!!! We loved it SO much! Thank you!!!!
Thank you Shari!! xTieghan
I made these last night and left to cool overnight. I cooked the allotted time and they were light brown on top. They are very sweet and have to use a fork to eat. i love the blueberry flavor. They are very rich and a little too sweet for me. I am chilling them to see if the flavor is more to my liking when cold. I may try again with less butter and no granulated sugar in the topping and more cinnamon. They looked pretty but I didn’t get the peekaboo look with the berries and I used the full 2 cups of berries. Thank you for your food blog. It gives me incentive to try new things. Everything looks amazing.
Thank you so much Rebecca!! I am so happy this recipe turned out so well for you! xTieghan
Yummy!Yummy! It looks sooo delicious. It must try it on my weekend.
I hope you love it!! Thank you Rozy! xTieghan
Hi, everyone loved these bars. Which cookbook of yours has this recipes? Thanks
So glad this recipe was enjoyed. All of the recipes that are on the blog are not located in a cookbook, they are only available on the blog. All of the recipes that are in the cookbooks are exclusive to the books. I hope this helps! xTieghan
Easy and delicious. Highly recommended.
Thank you so much Sam! xTieghan
I was excited by this recipe because I liked the idea of using blueberry jam and fresh blueberries – until I saw the RIDICULOUS amount of butter that it calls for. One cup of butter is far too much for such a small pan of bars. I understand that you were paid by Land O’Lakes to create this recipe, but that is no excuse for creating an unhealthy calorie bomb. I would not serve such an unhealthy dessert to my family.
Hi Susan! I am sorry this seems like too much for you.. I have plenty of other recipes that are a bit healthier! I hope you love some of them! xTieghan
Does anyone know if i can use organic liquid coconut oil to make these vegan?
I haven’t tested this, but would not recommend. If anything try using a vegan butter. I hope you love the recipe, please let me know if you have any other questions! xTieghan
Made these tonight, they are excellent! Definitely rich but I knew that going in. I used 2/3 of the flour mix as the base and 1/3 for the topping to make the topping slightly more sparse. They are too rich and sweet for me to eat for breakfast as was suggested in the notes, but served warm with a scoop of vanilla ice cream on top made for a great dessert!
Yum! I am so happy this turned out so well for you, Sarah!! Thank you! xTieghan
I am not a baker, but these were simple and delicious. thank you for the recipe!
Thank you Jassi! I am really glad this turned out so well for you! xTieghan
I was amazed at how delicious this was given how simple the recipe is!! I did reduce the sugar by 1/4 cup, and I replaced 1/2 cup of flour with quick-cook oats. I also added a sprinkle of thyme into the dough, inspired by Tieghan 🙂 Highly recommend!!
I am really glad this turned out so well for you Annie! Thank you so much for trying this! xTieghan
I printed the recipe before the brown sugar correction and forgot to add it. They are still sooo good. I used a really nice blueberry jam. It’s a small pan and will go fast so I will remake them with the brown sugar soon. I still have berries and jam and butter! They are like a pie bar.
I am really glad this turned out so well for you, Stefanie! Thank you for trying it! xTieghan
Delicious and super easy
Thank you Ruth! xTieghan
I made this as a dessert this evening and it was unbelievable. I had to cook a little longer (10 mins) as our oven is older, but came out perfectly. It’s so hard not to eat a dessert right away when it’s done, but after letting it cool it was amazing!! I will definitely make again. Thanks!!
Thank you so much Mackenzie!! I am so glad this turned out so well for you!! xTieghan
Absolutely delicious! Every time we make this at home it’s gone by the end of the next. The blueberries come through the perfect amount and its moist and that crumble, omg, i want to put it on everything!
Yes!! So happy these turned out so well for you, Jess! Thank you so much for trying this recipe! xTieghan
I made this today and we all loved it. Great recipe and super easy to do. Thank you so much
Thank you Stephanie! I am really glad this recipe turned out so well for you! xTieghan
When does the regular sugar get added?
The sugar gets added in step 3. I hope you love the recipe, please let me know if you have any other questions! xTieghan
Absolutely divine! I used a mixture of raspberries, blueberries, and blackberries, and just used extra berries and some honey instead of jam. It worked great! Super delicious and the texture of the crust is amazing.
Thank you so much Anya! I am really glad this recipe turned out so well for you! xTieghan
Hi! I love your blog and all your recipes. My mom made this recipe and it was amazing but when I made them they were super soggy and soup like. I doubled the recipe just like she did. Any idea what I did wrong?
So sorry you have issues with this recipe, next time I would try not doubling it and following as is. I hope you love the recipe! xTieghan
Hiiiii ! Do you think you can omit the cornstarch? Or is there a corn free subsitute?
Also, could I add pistachios you think? Thank you!
You can use arrow root in place of the corn starch, I am not sure pistachios would be the best option for this recipe. I hope you love them! xTieghan