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blueberry crumble bars with ice cream
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5 from 4 votes

Blueberry Walnut Crumble Bars

Wholesome crumble bars made with walnuts, oats, dates, blueberries and a few other basic ingredients. Have them for a quick breakfast, snack or serve with ice cream for dessert.
Course Dessert
Cuisine gluten-free, vegan
Prep Time 20 minutes
Cook Time 15 minutes
Total Time 35 minutes
Servings 9

Ingredients

  • 1 cup walnuts, raw
  • 1 cup Medjool dates, pitted
  • 3 cups rolled oats
  • 5 tablespoons butter or margarine, melted (plus more for the dish)
  • 1/2 teaspoon vanilla extract
  • 1-2 tablespoons water, as needed
  • 3 cups blueberries, fresh or frozen and thawed

Instructions

  • Preheat oven to 325F. Grease a 9x9 inch glass dish with margarine or butter. Set aside.
  • Spread the walnuts on a baking sheet. When the oven is preheated, roast the walnuts for 8-10 minutes until lightly golden. When they're done roasting, remove from the oven and increase to 350F.
  • Place the roasted walnuts, dates, 2 cups of oats, melted margarine (or butter) and vanilla in a food processor and process until combined and crumbly. Add water and process until the mixture sticks together when pressed. Add the remaining 1 cup of oats and process for a few seconds until combined. You want the mixture to stick well together when pressed, while still having texture.
  • Press the oat mixture at the bottom of the greased dish, leaving 1.5 cups for topping. Spread the blueberries evenly on top of the bottom layer. Finally, add the remaining oat mixture on top.
  • Bake for 15 minutes, uncovered at 350F. Let cool 1 hour before cutting. This helps the bars stick together.

Notes

I tested this recipe using vegan margarine, which is salted. If you use unsalted butter, add 1/4 teaspoon of salt.
You can make this recipe using different fruit. You can also make a blueberry chia jam using this jam recipe. This recipe was inspired by my strawberry crumble bars.
Top it with ice cream if desired. Try my homemade cashew coconut vanilla ice cream!