Apple Oat Crumble

Name: Apple Oat Crumble
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: Serves 6
Ingredients: 4 medium apples, peeled, cored, and sliced; 1 tablespoon lemon juice; 1/4 cup brown sugar; 1 teaspoon cinnamon; 1/4 teaspoon nutmeg; 1 tablespoon all-purpose flour; 1 cup rolled oats; 1/2 cup all-purpose flour; 1/2 cup brown sugar; 1/2 teaspoon cinnamon; 1/4 cup unsalted butter, melted; 1/4 cup chopped nuts (optional)

Highlighted under: Easy Desserts Collection

I simply adore this Apple Oat Crumble recipe, as it perfectly balances sweet and tart flavors with a comforting oat topping. Each bite brings a delightful mix of tender apples and crunchy oats that creates a harmony of textures. What I love most is how quick and easy it is—perfect for those spontaneous dessert cravings! Whether served warm with a scoop of vanilla ice cream or enjoyed on its own, this crumble has become a beloved staple in our household. Trust me, you won’t want to miss it!

Created by

Prudence Whitby

Last updated on 2026-02-08T02:20:36.582Z

When I first tried making this Apple Oat Crumble, I was amazed at how simple it was to put together. Using a combination of tart Granny Smith apples and sweet Fuji apples gives it a balanced flavor profile that I truly enjoy. The secret? A splash of lemon juice to enhance the apples' natural sweetness!

I also experimented with different spices, and I found that a touch of cinnamon and nutmeg elevates the dish to a new level of comfort. Now, this recipe has become a family favorite, especially on crisp autumn evenings.

Why You Will Love This Recipe
Warm, comforting flavors of cinnamon and baked apples
Crispy oat topping adds perfect texture
Easily customizable with your favorite fruits

Choosing the Right Apples

Selecting the right apples is crucial for achieving the best flavor and texture in your Apple Oat Crumble. I recommend using a combination of sweet and tart apples to create a balanced filling. Varieties like Granny Smith or Honeycrisp work wonderfully, as they hold their shape during baking while delivering that delightful contrast. Aim for about 4 medium apples, ensuring they are firm and not overly ripe. If you prefer a sweeter filling, consider adjusting the brown sugar accordingly.

Before slicing, ensure your apples are fresh and firm. Storing them in a cool place will enhance their crispness. If you're uncertain about which apples to use, don't hesitate to experiment! Using a mix of Fuji, Braeburn, or Golden Delicious can yield unique flavor profiles, so feel free to get creative based on your taste preferences.

Perfecting the Oat Topping

The crumble topping is the heart of this recipe, and achieving the right texture is key. For that perfect crunch, use rolled oats instead of quick oats, as they lend a chewier, more substantial texture. Mixing in melted butter and brown sugar creates clumps that will bake into a beautiful golden topping. If you want to enhance the flavors, consider adding a pinch of salt to balance the sweetness, making each bite more enjoyable.

If you prefer a nutty flavor, I suggest adding chopped nuts like walnuts or pecans, which not only improve the taste but also add extra nutritional value. If you need a nut-free option, you can simply omit them without compromising the recipe. Keeping your crumble topping refrigerated for about 30 minutes before baking allows it to firm up, resulting in a crunchier finish.

Ingredients

For the Filling

4 medium apples, peeled, cored, and sliced
1 tablespoon lemon juice
1/4 cup brown sugar
1 teaspoon cinnamon
1/4 teaspoon nutmeg
1 tablespoon all-purpose flour

For the Crumble Topping

1 cup rolled oats
1/2 cup all-purpose flour
1/2 cup brown sugar
1/2 teaspoon cinnamon
1/4 cup unsalted butter, melted
1/4 cup chopped nuts (optional)

Instructions

Prepare the Apples

In a large bowl, toss the sliced apples with lemon juice, brown sugar, cinnamon, nutmeg, and flour until well combined. Pour the mixture into a greased 9-inch baking dish.

Make the Crumble Topping

In a separate bowl, mix together rolled oats, flour, brown sugar, cinnamon, and melted butter until crumbly. Stir in chopped nuts if using.

Assemble the Dish

Sprinkle the crumble topping evenly over the apple filling.

Bake

Preheat your oven to 350°F (175°C) and bake the crumble for about 30 minutes, or until the apples are tender and the topping is golden brown.

Serve

Let the Apple Oat Crumble cool slightly before serving. Enjoy it warm, potentially with a scoop of vanilla ice cream!

Pro Tips

For an extra flavor boost, try adding a mix of berries to the apple filling or replace some of the apples with pears for a different twist.

Storage and Make-Ahead Tips

If you find yourself with leftovers, the Apple Oat Crumble can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, simply pop it in the oven at 350°F (175°C) for about 15-20 minutes, or until warmed through. This dessert also freezes well, making it ideal for meal prepping. Just portion it into freezer-safe containers after baking, and it will keep for up to 3 months. To enjoy later, thaw overnight in the refrigerator and reheat in the oven.

For those looking to prepare the crumble ahead of time, you can assemble the apple filling and topping separately. Store the apple mixture in the fridge for a day or two, while the crumble topping stays fresh in the freezer for about a month. When you're ready to bake, layer them together in your baking dish and follow the original baking instructions for a freshly made dessert.

Serving Suggestions

For a truly indulgent experience, serve your warm Apple Oat Crumble with a generous scoop of vanilla ice cream. The contrast of warm crumble and cold ice cream creates a delightful harmony. You can also drizzle some caramel sauce on top for an added layer of flavor. For a more sophisticated touch, a dollop of whipped cream or crème fraîche complements the dish beautifully and adds a lovely creaminess.

If you're preparing for a gathering, consider pairing the crumble with a side of fresh whipped cream or a sprinkle of powdered sugar for an elegant presentation. Adding a few sprigs of mint for garnish not only adds visual appeal but also enhances the freshness of the dish. The warm, comforting aroma of baked apples and oats will surely enhance any gathering!

Questions About Recipes

→ Can I use frozen apples for this recipe?

Yes, you can use frozen apples. Just make sure to thaw and drain excess moisture before using them.

→ Can I make this crumble vegan?

Absolutely! Substitute the butter with coconut oil or a vegan butter alternative.

→ How do I store the leftovers?

Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven for best results.

→ Can I make this recipe ahead of time?

Yes, you can prepare the filling and crumble topping ahead of time. Just store them separately in the fridge and assemble before baking.