Easy Oatmeal Apple Crumble (2024)

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This easy apple crumble recipe is so easy to make with very minimal ingredients. Made with a delicious oatmeal and walnut topping and baked to perfection. A delightful addition to your festive gathering.

This healthy apple crumble is gluten-free and vegan-friendly. So easy to make, this recipe will be a staple in your house once you try it. Whether you are making it for a gathering or to enjoy with your family.

Table of Contents

How to make Apple Crumble

Making Homemade apple crumble is quite easy. There aren’t that many ingredients involved and we bet you already have most of it in your pantry and you just need to go grab some apples!

What you need to do:

Preheat the oven to 350°F, and coat a 2 quarts casserole dish with nonstick cooking spray.
In a mixing bowl combine together the oats, walnuts, cinnamon, maple syrup, and coconut oil. Using your fingers stir until crumbly. Set aside.
In another bowl, toss the apples with the cornstarch, cinnamon, and nutmeg, until
evenly coated.

Transfer the filling to the prepared dish, and gently press down with a spatula. Sprinkle evenly with the oatmeal topping.
Bake at 350°F for 25-35 minutes or until the apples are tender and tops are crisp. Enjoy!

Apple Crumble topping recipe:

The Apple Crumble topping recipe was made with oats as it’s base instead of flour to keep it healthy and nutritious. Technically some will call this an apple crisp!

3⁄4 cup old-fashioned oats
1⁄4 cup walnuts, roughly chopped
1 tsp ground cinnamon
3 Tbsp maple syrup
1 1⁄2 Tbsp coconut oil

Combine together the oats, walnuts, cinnamon, maple syrup, and coconut oil in a bowl and mix well.

DO YOU COOK APPLES BEFORE YOU BAKE

No. Cooking the apples before baking is not necessary. They will bake in the oven and become just tender

WHAT APPLES ARE GOOD FOR APPLE CRUMBLE

Choose an apple with a sweet-tart flavor like Granny Smith, Jonagold, or Honeycrisp.

CAN YOU REFRIGERATE APPLE CRUMBLE

Leftover Apple crumble can be refrigerated. Store in an airtight container or wrap firmly using cling wrap. Expect the topping to not be crunchy afterward because the oats do get soaked and become softer. If you are making apple crisp ahead, do not add the topping over the filling. Store the topping separately in a ziplock bag and pour over the filling before you place it in the oven to bake.

CAN YOU REHEAT APPLE CRUMBLE

Apple can be stored for later use and reheated at any time. Either reheat using the microwave or pop it back into the oven and bake for 10-15 minutes. If reheating frozen apple crumble, allow it to thaw in the fridge a day before or overnight before baking or reheating.

CAN I FREEZE APPLE CRUMBLE BEFORE BAKING

Apple crumble can be frozen for 3-4 months whether they are baked or unbaked.

CAN APPLE CRUMBLE BE SERVED COLD

YES. It is more of what your personal preference is. Some may like it cold so it can be enjoyed either hot or cold.

We love getting some feedback from you. If you make this easy and healthy oatmeal apple crumble recipe and you love it, please leave us a comment in the comment section below.

Here are some other healthy dessert recipes to check out:

Apple Pecan Cinnamon Bread
Chocolate Peanut Butter Peppermint Fudge
Gluten-Free Blueberry Scones
Healthy Pumpkin Muffins
Double Chocolate Keto Brownies

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Easy Oatmeal Apple Crumble

Quick, easy, healthy apple crumble recipe, filled with baked apple chunks then topped with a delicious crunchy topping made with oats, walnuts, and loads of fall flavors.

4.75 from 27 votes

Ingredients

▢ ¾ Cup Old-fashioned oats
▢ ¼ Cup Walnuts roughly chopped
▢ 1 Tsp Ground Cinnamon
▢ 3 Tbsp Maple Syrup
▢ 1½ Tbsp Coconut Oil

For the filling

▢ 6 Cups Small-diced Apples of choice
▢ 2 Tbsp Cornstarch
▢ 1½ Tsp Ground Cinnamon
▢ ⅛ Tsp Ground Nutmeg

Instructions

Preheat the oven to 350°F, and coat a 2 quarts casserole dish with nonstick cooking spray.
In a mixing bowl combine together the oats, walnuts, cinnamon, maple syrup, and coconut oil. Using your fingers stir until crumbly.
In another bowl, toss the apples with the cornstarch, cinnamon, and nutmeg, until evenly coated.
Transfer the filling to the prepared dish, and gently press down with a spatula. Sprinkle evenly with the oatmeal topping.
Bake at 350°F for 25-35 minutes or until the apples are tender and tops are crisp. Enjoy!

Nutrition

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Reader Interactions

Comments

Jonah says
October 28, 2022 at 3:50 pm

Delicious!!
Lili says
January 22, 2022 at 7:41 pm
Does it need to be refrigerated and how long?
- Rena says
  January 23, 2022 at 9:44 am
  You could for 1-2 hours
- Cook says
  April 23, 2022 at 3:06 am
  
  Very dry…
frieda mandel says
October 10, 2021 at 11:09 am
what can I Substitute for maple syrup, and what can I substitute for cornstarch. Will the easy oatmeal crumble turn out ok ?
- Rena says
  October 11, 2021 at 12:39 pm
  Sub maple syrup with honey or agave. Corn starch is needed so it thickens up. You can try arrowroot powder.
Angie says
February 15, 2021 at 3:41 am
Hi Rena,
For the nutrition fact, is it per serving or the whole recipe? Thanks.
- Rena says
  February 15, 2021 at 7:51 pm
  Hi there. It’s per serving.
Tara says
October 29, 2020 at 12:49 pm

So I tried this, but the filling came out very dry. Like the apples were completely dry, with no sauce. It still tastes good, but more like a nice version of baked oatmeal rather than a crumble. Do you know what could have gone wrong?
- Rena says
  October 29, 2020 at 5:08 pm
  Hi. Did you make any substitutes to the recipe?
Miki says
September 30, 2020 at 5:26 am

It tastes delicious but I’m confused why mine looks completely different to the pictures. My filling is very dry and just falls apart when I try to scoop it up, there isn’t that nice gooey texture that I hoped for. Do you have any ideas why?
Raj says
September 10, 2020 at 8:08 pm

This is the first time I made a crumble using oats and I’m a wheat intolerant so they were gluten free oats. I didn’t measure the ingredients because I was making a small amount for myself but wow!! This was sooo delicious and no sugar or butter!!!Amazing!! Will make this more often as it starts getting colder. Thanks for the recipe
- Rena says
  September 11, 2020 at 2:34 am
  Thanks for the feedback Raj. Glad you liked it.
Karen says
August 25, 2020 at 1:49 pm

Delicious!
- Rena says
  August 25, 2020 at 11:03 pm
  Thank you!
Sarah says
August 17, 2020 at 12:35 am

My absolute fave. I eat half a dish fresh out of the oven oops! Tysm
- Rena says
  August 17, 2020 at 11:03 pm
  haha. Thanks for the feedback. Glad you liked it.
lily says
August 11, 2020 at 9:04 pm

I love this recipe! Thank you so much 🙂
- Rena says
  August 12, 2020 at 2:43 am
  Thank you. Glad you liked it.
  - Roberto de abreu says
    November 6, 2022 at 9:16 am
    Tried recipe…with granny Smith…came out very dry & bitter…how can I correct this…without making it unhealthy
janu says
August 7, 2020 at 2:44 pm
your website never loads!
i am also scrolling so far down and down to find the recipe. way too many links and adverts keep popping up so never saw it ….possibly needs a good fix?
- Rena says
  August 7, 2020 at 2:57 pm
  Hi. Will look into this. There is a button at the top you can click on that says “jump to recipe”
Leah Horton says
March 18, 2020 at 7:14 am

Wow, this is one of the healthiest recipes I have ever tried, with a bit off apple flavor we can definitely call it a healthy dessert. I have kept some for later and ate it cold and it was even better thanks for this.
- Rena says
  March 19, 2020 at 1:30 am
  Thanks for the feedback