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Apple Crumble Bars

These Apple Crumble Bars consist of a sweet oat and walnut crumble for the base and topping. In-between is a thick layer of apple butter, and thinly sliced & spiced apples. Baked in the oven until gooey and bubbling.
Category Breakfast, Dessert, Snack
Cuisine gluten-free, North American, vegan
Prep Time 25 minutes
Cook Time 40 minutes
Total Time 1 hour 5 minutes
Servings 12 bars
Author Hannah Sunderani


For the crust/crumble topping

  • 1 1/2 cups walnuts
  • 2 cups gluten-free oats
  • 1 cup coconut sugar
  • 1 tsp baking powder
  • 1 tsp ground cinnamon
  • 1/2 tsp ground cardamom
  • 1/4 tsp salt
  • 2/3 cup vegan butter

For the filling

  • 3 cooking apples (pink ladies, granny smith, or cortland)
  • 2 tbsp maple syrup
  • 1 tbsp gluten-free flour blend
  • 1/2 tsp ground cinnamon
  • 1/4 tsp ground nutmeg
  • 1/4 tsp cardamom
  • 2 tsp vanilla extract
  • 1 cup apple butter


  • In a food processor pulse walnuts, oats, coconut sugar, baking powder, cinnamon, cardamom, and salt until well ground. Add vegan butter, and pulse again until dough like in texture.
  • Preheat oven to 350F/175C. Line a baking dish with parchment paper (I used an 8x11 inch baking dish). Add 1/3 of the dough mixture to the bottom of the dish and push to make an even layer. Reserve other 2/3rds of dough for the crumble topping. Place baking dish in the oven and cook base for 10 minutes, or until lightly golden.
  • While you're waiting for the base to cook, prepare your apple layer. Thinly slice apples and toss into mixing bowl with maple syrup, flour, cinnamon, nutmeg, cardamom, and vanilla extract. Toss gently to combine.
  • Spread apple butter in an even layer over pre-cooked base, then arrange spiced apple slices overtop in an even layer. Sprinkle remaining dough overtop of apple slices in clumps. Place back in the oven to bake for another 30-40 minutes, or until golden and bubbling.
  • Allow crumble to cool entirely (approx. 1 hour) before cutting into bars. (I cut mine into 12 squares).


Apple Crumble Bars will keep in fridge for up to one week.
To freeze: Cover well and keep in freezer for up to two weeks. Let bars thaw completely before eating.
Nutrition information is a rough estimate. 


Calories: 319kcal | Carbohydrates: 36g | Protein: 4g | Fat: 19g | Saturated Fat: 3g | Sodium: 161mg | Potassium: 179mg | Fiber: 3g | Sugar: 20g | Vitamin A: 485IU | Vitamin C: 1mg | Calcium: 44mg | Iron: 1mg