Best Apple Rhubarb Crumble Recipe
With Oatmeal Topping

This Apple Rhubarb Crumble Recipe, (see the photos!), makes a most delicious dessert recipe with oatmeal topping.

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I made this crumble recipe for a rhubarb dessert today, and it turned out amazing!

Use fresh OR frozen rhubarb for this recipe.

Apple Rhubarb Crumble Dessert Recipe with Oatmeal crumble topping

Scrumptious Apple and Rhubarb Crumble Dessert Recipe

If you want to make a crumble for dessert or a snack, and do not have rhubarb, just substitute the rhubarb in this recipe with another fruit, such as raspberries, or strawberries, or nectarines.

Rhubarb pairs very well with almost any fruit!

You may want to reduce the sugar a bit in the "filling" ingredient list if you do not use rhubarb.

Ingredients

Note - If you are using frozen rhubarb for this recipe, thaw the rhubarb in a sieve over a bowl, and discard the excess liquid.

Also, the ingredients list both whole wheat and all-purpose flour. You can also use (instead) only 1 cup of whole wheat or 1 cup of all-purpose flour.

FOR THE FILLING

3 1/2 cups apples, cored, peeled and sliced
3 1/2 cups chopped *rhubarb
1/2 cup granulated sugar (or more if desired)
2 tbsp. all-purpose flour
1/2 tsp. ground cinnamon

FOR THE TOPPING

1/2 cup *whole wheat flour
1/2 cup *all-purpose flour
1 cup rolled oats
1/2 cup brown sugar
1/8 tsp. salt
1/4 cup nuts (pecans, walnuts or almonds), optional
1/2 cup butter, cold, cut into pieces

Making a Rhubarb Apple Crumble Recipe at Home

How to Make a Rhubarb Apple Crumble with Oatmeal Topping

Rhubarb Apple Crumble in a 9" x 13" Baking Dish

Directions

FOR THE TOPPING

(I like to make the topping first, so that the apples do not turn brown while I am making the topping.)

In a bowl, combine the flours, oats, brown sugar, salt and the nuts, and combine with a fork.

Add the pieces of cold butter, and, using your fingers, mix in the butter, until the mixture resembles coarse crumbs.

Set crumble aside.

FOR THE FILLING

In a bowl, combine the sugar, flour and cinnamon.

Add the chopped rhubarb and the sliced apples to a greased, (I used cooking spray), 9" x 13" baking dish.

Sprinkle the fruit with the sugar, flour and cinnamon mixture, and toss to coat.

Spread the crumble topping over the fruit in the baking dish.

Bake the apple rhubarb crumble at 350° F for about 45 minutes, or until fruit is tender, and topping has browned.

Serve warm or at room temperature with ice cream, whipped cream, whipped dessert topping, or a spoon of yogurt.

ENJOY this amazing apple rhubarb crumble recipe!

Crumble Tip: I like to double the oatmeal crumble topping and keep it in the refrigerator for several days, and then, when I want to make another fruit crumble recipe, (with rhubarb or any other fruit), I can have it made very simply and quickly!