Easy Apple and Blueberry Crumble Recipe {with Oats}

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With warm apples and blueberries and a buttery oat crumble, this apple and blueberry crumble is the perfect way to celebrate summer fruits!

easy apple and blueberry crumble recipe in a white baking dish.

What you’ll love about this apple and blueberry crumble recipe:


  • Classic: Crisp & crumbles are classic fruit desserts for a reason! You don’t need any special tools or fancy techniques to end up with a delicious dessert every time.
  • Easy: Once you mix the fruit filling together, it takes just a moment to make the crunchy oat crumble and layer the whole dish together. It’s so simple!
  • Tons of flavor: Apple and blueberry are perfect pairs. The tart flavor of the apples highlights the rich, sweet flavor of blueberries. Plus, the crunchy topping makes this easy apple blueberry crumble a flavor experience!
easy apple & blueberry crumble recipe with oat topping.

What is apple & blueberry crumble?

If you grew up eating crumbles or crips, you’re already familiar with the experience. You first slice through a buttery, crumbly topping, then draw your spoon through a mixture of tender apples with brilliant purple pops of blueberry. 

This apple blueberry crumble recipe is a twist on the classic apple crumble. Blueberries add color and fresh flavor to balance the fresh apple pieces, and I use a crumble topping made with oats for extra crunchiness.

It’s a lovely summer dessert the whole family will love.

Equipment

To make your own blueberry apple crumble with oats, you just need a few common supplies hiding in the cupboards.

  • 9 x 13 baking dish
  • Cutting board
  • Knife
  • Pastry blender or fork
  • Small mixing bowl
green apples, blueberries, suagar, and flour.

Apple Blueberry Crumble Ingredients

Fruit Filling

  • Fresh blueberries: Start with fresh, juicy blueberries. This is a great way to use up excess berries from your garden or after visiting a u-pick!
  • Tart apples:I prefer to use Granny Smith apples, but you can really use any type of apple. Macintosh apples or Pink Lady apples would be a great alternative.
  • All purpose flour: This helps create a thick blueberry apple filling. If you don’t thicken the fruit mixture, it will be fruit soup (which is still delicious).
  • Sugar: Although the fruit has its natural sweetness, it can help to add a bit of sugar or maple syrup to highlight those fresh flavors.
  • Salt: Salt enhances flavor and makes this sweet dessert taste sweeter!

Crumble Topping

  • Oats:  Technically, this is a crisp topping because it contains oats. I prefer oats in my crumbles and crisps and think you will, too!
  • Flour: The flour will help hold the sugar, oats, and butter together to get the perfect golden streusel on top!
  • Brown sugarBrown sugar has a rich, delicious flavor and it’s perfect for forming a nice crumble
  • White sugar: White sugar adds sweetness without flavor and balances this topping beautifully.
  • Unsalted butter: This is the key to the best crisp! Start with very cold butter and cut it into tiny cubes for best results.
  • Salt: You just need a pinch or two to get the right level of salt in this blueberry apple crumble recipe.
  • Vanilla extract: This is optional, but vanilla highlights the sweetness in this fruity crumble really nicely.

How to Make Apple and Blueberry Crumble

  1. Preheat the oven to 350 degrees F.
  2. Add your fruit mixture ingredients (fruit, sugar, flour, sand a pinch of salt) directly to the baking dish and stir them to combine. Adjust them until they make an even layer.
  3. In a small bowl, combine crumble topping ingredients. Using a pastry blender, mix the butter pieces into the crumble topping until the mixture looks like crumbly sand.
  4. Add the crumble mixture on top of the fruit mixture and bake for 45-50 minutes or until the topping is golden brown and the fruit is bubbling in the corners of the pan.
  5. Remove from the oven and let the apple blueberry crumble rest for 25-30 minutes before serving with a scoop of ice cream or a dollop of whipped cream.
step by step instructions for how to make apple blueberry crisp recipe.

Storing

Store leftover crumble in an airtight container in the fridge for 4-5 days. To reheat, microwave a serving for approximately 1-2 minutes or bake it at 350 degrees for 4-5 minutes or until fully heated.

Serving Suggestions

Crisps & crumbles taste absolutely heavenly with a scoop of vanilla ice cream or a nice big dollop of whipped cream. You can even cover them in a creamy custard for a really wonderful, cozy apple blueberry experience.

Tips & Variations

  • Work with cold butter. If your butter isn’t really cold, it will melt into the blueberry apple mixture instead of turning into a delicious crumble topping. 
  • Get chilly. I actually like to chill my crumble topping before adding it to the pan. This isn’t necessary, but it gives me the most perfect, sky-high crumble!
  • Add spices & seasonings. You can easily tweak this fruit crumble recipe by adding your favorite spices (cinnamon, allspice, Chinese 5 Spice) or adding aromatic ingredients like lemon juice, lemon zest, lavender extract, cardamom extract, etc.
  • Add nuts. For extra crunch and flavor, replace 1/4 cup of the oats with chopped almonds or pecans.
serving of blueberry and apple crumble on a white place with ice cream.

FAQs

What’s the difference between apple crumble and apple crisp?

Traditionally, crumbles do not contain oats. They often have a golden, bubbly crumble made by mixing melted butter with flour and sugar. However, it’s really common to find crumbles made with oats these days.

Since I prefer the crunchy texture of the oats, I almost always make crumble recipes with crisp toppings instead of a traditional crumble topping. I think you will, too!

Can I add different berries?

Yep! Honestly, crisps and crumbles are so flexible. The secret is to make sure you add the right amount of flour in the fruit filling and use a consistent crumble recipe. You can either add or replace some of the blueberries with blackberries, cherries, raspberries, strawberries, and more.

Can I use frozen blueberries for blueberry apple crumble?

Yep! You can certainly use frozen berries instead of fresh fruit. I often recommend letting frozen berries thaw first to keep your mixture from being too wet.

Since I find this delicious apple blueberry crumble with oats can be a little softer than other crumbles, it would be helpful to thaw the berries first. If you don’t, it will still taste great, but the fruit mixture may be a bit thinner than you’re expecting.

Related Recipes

If you enjoyed this simple apple blueberry crumble, you’ll enjoy these other easy dessert recipes!

blueberry & apple crumble recipe with oats.
easy recipe for blueberry apple crumble.

Apple and Blueberry Crumble with Oats

With warm apples and blueberries and a buttery oat crumble, this apple and blueberry crumble is the perfect way to celebrate summer fruits!
5 from 1 vote
Prep Time 10 minutes
Cook Time 50 minutes
Cooling Time 30 minutes
Total Time 1 hour 30 minutes
Course Baking, Dessert
Cuisine American, british
Servings 12 servings
Calories 350 kcal

Equipment

  • 9 x 13 baking dish
  • Cutting board
  • Knife
  • Pastry blender or fork
  • small mixing bowl

Ingredients
  

Fruit Filling

  • 2 cups fresh blueberries, washed and dried
  • 4-5 apples, peeled and diced into 1 inch cubes
  • 1/4 cup sugar
  • 1/4 cup flour
  • 1 pinch kosher salt

Oat Crumble Topping

  • 1 1/2 cup rolled oats
  • 1/2 cup flour
  • 1 cup brown sugar
  • 1/4 cup white sugar
  • 2 sticks unsalted butter, cold; diced into 1 cm cubes
  • 1 tsp vanilla extract
  • 1 pinch kosher salt

Instructions
 

  • Preheat the oven to 350 degrees F.
  • Add your fruit mixture ingredients (fruit, sugar, flour, sand a pinch of salt) directly to the baking dish and stir them to combine. Adjust them until they make an even layer.
  • In a small bowl, combine crumble topping ingredients. Using a pastry blender, mix the butter pieces into the crumble topping until the mixture looks like crumbly sand.
  • Add the crumble mixture on top of the fruit mixture and bake for 45-50 minutes or until the topping is golden brown and the fruit is bubbling in the corners of the pan.
  • Remove from the oven and let the apple blueberry crumble rest for 25-30 minutes before serving with a scoop of ice cream or a dollop of whipped cream.

Notes

Store leftover crumble in an airtight container in the fridge for 4-5 days. I often just keep the crumble in my baking dish and cover it with a piece of beeswax wrap or another plastic wrap alternative.
To reheat, microwave a serving for approximately 1-2 minutes or bake it at 350 degrees for 4-5 minutes or until fully heated.
  • Work with cold butter. If your butter isn’t really cold, it will melt into the blueberry apple mixture instead of turning into a delicious crumble topping. 
  • Get chilly. I actually like to chill my crumble topping before adding it to the pan. This isn’t necessary, but it gives me the most perfect, sky-high crumble!
  • Add spices & seasonings. You can easily tweak this fruit crumble recipe by adding your favorite spices (cinnamon, allspice, Chinese 5 Spice) or adding aromatic ingredients like lemon juice, lemon zest, lavender extract, etc.
  • Add nuts. For extra crunch and flavor, replace 1/4 cup of the oats with chopped almonds or pecans.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 51gProtein: 3gFat: 16gSaturated Fat: 10gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gTrans Fat: 1gCholesterol: 40mgSodium: 15mgPotassium: 159mgFiber: 3gSugar: 35gVitamin A: 517IUVitamin C: 5mgCalcium: 31mgIron: 1mg
Keyword apple blueberry crisp, apple blueberry crumble, apple crumble with blueberries, blueberry & apple crumble, blueberry crumble
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