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This blueberry crumble has layers of plump and juicy blueberries covered with a crumbly topping and piled high with vanilla ice cream (sigh…). Can you tell I’m looking at the picture, typing this?
This is my favorite blueberry crumble because: (1) it tastes incredible (2) it’s not overly sweet; a perfect balance of sweet and sour (3) this blueberry crumble is easy to prepare! You don’t have to blanch the fruit, or peel the skin, pit, or slice as with my peach and apricot crumble (although when those stone fruits come in season, you have to try that one too; trust me!).
This crumble is done in 5 easy steps. You’ll impress your family and friends and they’ll think you spent loads of time on it; your secret is safe with me ;).
Did you know cinnamon really intensifies the flavor of blueberries? Also, lemon juice and lemon zest go really well with blueberries. I knew both so I figured they could jam together. I was on to something! This blueberry crumble will knock your socks off and you’ll be running back for more.
Ingredients for the Blueberry Crumble Filling:
2 to 2 1/4 pounds (about 36 oz) fresh blueberries, rinsed and well-drained
2 Tbsp lemon juice, freshly squeezed
1 tsp lemon zest (zest of 1 lemon)
3 Tbsp all-purpose flour
1/4 cup granulated sugar
1 tsp ground cinnamon
Ingredients for the Blueberry Crumble Topping:
1 cup all-purpose flour *measured correctly
1/4 cup granulated sugar
1/3 cup brown sugar, packed
1/8 tsp (generous pinch) of salt
8 Tbsp (1 stick) cold, unsalted butter, diced
½ cup quick-cooking oats
1 cup sliced almonds, divided
To Serve:
Vanilla ice cream or whipped cream, optional
How to Make the Best Blueberry Crumble:
1. Toss blueberries with 2 Tbsp lemon juice and 1 tsp lemon zest and set aside.
2. In a small bowl, whisk together 1/4 cup sugar, 3 Tbsp flour and 1 tsp ground cinnamon and toss with the blueberries just until evenly coated. Pour into a 9 x 13– inch baking dish.
3. In a food processor fitted with a steel blade, combine 1 cup flour, 1/4 cup granulated sugar, 1/3 cup brown sugar, and 1/8 tsp of salt. Pulse several times to combine. Add the diced cold butter and pulse until the butter is the size of peas.
4. Transfer the mixture to a bowl, add 1/2 cup oatmeal and use your hands to make large crumbles. Add ½ cup of the sliced almonds and mix to combine.
5. Spread the topping over the fruit and cover evenly, then sprinkle ½ cup of almonds over the top. Bake 40 minutes at 350˚F. The blueberries should be bubbling at the edges and the topping and almonds should be golden brown.
Here’s the hard part: let the crumble sit for at least 15 minutes before serving (it will thicken slightly as it cools). This will stay warm for a couple hours. It reheats beautifully the next day.
Blueberry Crumble Recipe

Ingredients
For the Filling:
- 2 to 2 1/4 pounds about 36 oz fresh blueberries, rinsed & well-drained
- 2 Tbsp lemon juice, freshly squeezed
- 1 tsp lemon zest, zest of 1 lemon
- 3 Tbsp all-purpose flour
- 1/4 cup granulated sugar
- 1 tsp ground cinnamon
Ingredients for the Crumble Topping:
- 1 cup all-purpose flour
- 1/4 cup granulated sugar
- 1/3 cup brown sugar, packed
- 1/8 tsp generous pinch of salt
- 8 Tbsp 1 stick cold, unsalted butter, diced
- ½ cup quick-cooking oats
- 1 cup sliced almonds, divided
To Serve:
- Vanilla ice cream or whipped cream, optional
Instructions
- Toss blueberries with 2 Tbsp lemon juice and 1 tsp lemon zest and set aside.
- In a small bowl, whisk together 1/4 cup sugar, 3 Tbsp flour and 1 tsp ground cinnamon and toss with the blueberries just until evenly coated. Pour into a 9 x 13– inch baking dish.
- In a food processor fitted with a steel blade, combine 1 cup flour, 1/4 cup granulated sugar, 1/3 cup brown sugar, and 1/8 tsp of salt. Pulse several times to combine. Add the diced cold butter and pulse until the butter is the size of peas.
- Transfer the mixture to a bowl, add 1/2 cup oatmeal and use your hands to make large crumbles. Add ½ cup of the sliced almonds and mix to combine.
- Spread the topping over the fruit and cover evenly, then sprinkle ½ cup of almonds over the top. Bake 40 minutes at 350˚F. The blueberries should be bubbling at the edges and the topping and almonds should be golden brown. Here's the hard part: let the crumble sit for at least 15 minutes before serving (it will thicken slightly as it cools). This will stay warm for a couple hours. It reheats beautifully the next day.
NOW ABOUT THAT GIVEAWAY (Giveaway Ended):
Why a giveaway? It’s a reader appreciation giveaway. I want you to know that I appreciate every one of you who visit my blog, take the time to comment, and share it with your friends and fam. You all inspire me to be a better cook and blogger. Thanks to all of you who follow my profiles on Facebook, Instagram and Twitter and for thinking I’m worth following even when I post weird things like garage sale hauls. I’m crazy about ya! And I wish I had a LeCreuset prize for each of you.
Le Creuset sponsored this giveaway. I asked them to and they said yes; how nice is that?!
You can find Le Creuset on Facebook, Instagram, Twitter and Pinterest!
Everything about Le Creuset is timeless, classic, incredible quality and beautiful. This is my first le creuset casserole dish and it’s amazing how you can tell the difference between this casserole and the one I bought at Ikea! I can see myself passing this down to the next generation. The quality is exceptional. I like holding it and when I carry it back to my buffet for storage, it feels so good in my arms. Ok, I’m totally in love with this thing! I wish I had one for each of you. It’s a 4 Qt Le Creuset covered stoneware casserole (in the color of your choice from the matte collection – subject to availability) and that lid is so convenient. No more foil over my casseroles and transporting them will be a breeze! P.S. The color of this is: Matte Collection – Cotton. It measures 11 1/2″ x 7 3/4″
The medium spatula from Le Creuset is also part of this giveaway. Here’s why I love it: (1) It’s pretty (2) It feels really good in your hand (3) it’s highly lick-able – no kidding!
Disclosure of Material Connection: I received the product(s) mentioned in some of the posts on my blog in the hope that I would give it a good review on my blog. Regardless, I ONLY recommend products or services I use personally and believe my readers will enjoy.
Hi,
We went blueberry picking and wondering what to do with so many blueberries, glad I found your recipe, super easy to make (my 5 year old twins help me) and delicious!!!!!! The whole family LOVED IT! Thanks!
Oh my goodness they must have kept you busy for the last 5 years! Mothering twins is an amazing feat. Many blessings to you! 🙂 I’m so happy you all enjoyed the recipe.
Just baked it and it’s super easy! Smells heavenly too! Waiting for 15m to try it 😉
Tks!
I hope you’ll absolutely love it :).
Hello Natasha,
I made this recipe with mixed frozen berries, and it is delicious! I love your site and will definitely try this recipe the original way! Thank you for all you share, and the time you put into this blog!
~Elise
I’m so glad you enjoyed the recipe! We’re testing something similar with cherries today. Stay tuned 🙂
hi natasha! wil this still be good without the lemon zest, but just lemon juice? i dont have one of those zester thingys
You can omit the zest. (P.S. You can get pretty decent zest from a regular box grater). Lemon really enhances the flavor of blueberries, but it will still taste great without the zest. 🙂
beautiful dishes!
Can’t wait to try this recipe
I am sure this recipe is delicious — I skipped over it because of 2 things — I don’t usually weigh food. Just tell me how many cups of blueberries to use. Secondly, what size pan is optimum? too small/deep the fruit doesn’t get done, and too large/shallow, the fruit is mushy. Cooking is not “intuitive” for me — after spending good money for top-quality ingredients, I expect exact directions and specific sizes so that I am assured of a success.
I used 2 one lb containers of blueberries. How large is your package of blueberries? Sorry, I didn’t measure in cups since blueberries are usually sold by weight. Next time I make this, I can measure them out. The pan was 9×13 and it was about 2″ deep. I hope that helps!
This blueberry crisp is amazing. Just made with michigan blueberries yesterday. The best recipe I’ve had yet. Thank you!!
Thank you Erica for a great review, I’m glad you enjoyed it :).
Made this tonight with a few changes and it was delicious. We have been watching our diet more recently, so I replaced the flour with 1/2 almond meal and 1/2 garbanzo bean flour. I also replaced the sugar with Whey-Low, but will reduce it even more next time. I also cut the butter in half. It was delicious!
That’s awesome that you were able to make it healthier and I’m so happy you enjoyed it 🙂
I made your blueberry crumble tonight and it was outstanding! I just purchased 10 pounds of blueberries direct from a farm and decided to try this recipe. Thanks for sharing!!!
I’m so happy you loved it! Now where can I get 10 lbs of blueberries?! I’m totally craving them now 🙂
Looks like you and I were thinking about blueberry crumble around the same time last week… BUT, yours looks waaaaaaaaaaaay better! Look at all those blueberries! And the height of it is making my mouth water up.
Thank you Kate, it was eaten waaaaaaaaaaaaaay too quick :).
Love this giveaway! My favorite casserole would have to be chicken and potato casserole.
This looks delicious! I’m just wondering if I can make this with my frozen blueberries that I have in my freezer? Maybe if I thaw them and than use them or it won’t work…?
I think it would work but thaw them in the fridge and use 1 Tbsp more flour and 1 Tbsp less lemon juice since frozen berries can be a bit juicier 🙂
I love love casseroles 🙂 my favorite has to be mushroom and chicken casserole and we also love lasagna . Thanks for the giveaway would LOVE to win 🙂
I love chicken and rice casserole or green beans.
Oh this looks delicious! Thanks so much for the giveaway!
Oven Chicken Casserole! Delicious and healthy 🙂
Love your Chicken Mushroom Casserole!
I love to make chicken Enchiladas using my casserole! Thank you for a wonderful giveaway!
I love any kind if potato casserole 🙂