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Apple Oat Crumble Bars

These bars are rich and gooey with a fresh apple filling. Enjoy them warm for a cozy treat on a chilly day!
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Course: Dessert
Cuisine: American
Keyword: apple, apple bars, apple pie, cinnamon, crumble bars, dessert, oat bars, pumpkin spices
Servings: 16 bars
Author: Rachel Alexandra


Oat Crumble

  • 2 cup old-fashioned rolled oats
  • 1 cup whole wheat flour
  • ¾ cup sucanat
  • ½ tsp baking soda
  • ¼ tsp Celtic sea salt
  • ¼ tsp cinnamon
  • 8 oz butter (chilled)

Apple Filling

  • 2 lbs baking apples (peeled and chopped)
  • 4 tsp arrowroot starch
  • 1 cup water
  • ¼ cup sucanat
  • 1 Tbsp butter
  • 1 tsp cinnamon
  • tsp ginger
  • tsp cloves
  • Pinch nutmeg


Oat Crumble

  • Place the oats in a food processor and blend until they form a coarse flour.
  • Add the oats in a large bowl along with the flour, sucanat, baking soda, salt, and cinnamon. Whisk to combine.
  • Use a cheese grater to grate the cold butter into the dry ingredients. Then, use a pastry blender or your hands to work the butter into the mixture. Continue working the dough until the butter is dispersed in pea-sized pieces.
  • Line an 8x8 baking dish with parchment paper and press ⅔ of the crumble mixture into the bottom of the pan. Set aside.

Apple Filling

  • In a small saucepan, add the apples, arrowroot starch, water, butter, sucanat, and spices.
  • Bring to a boil over medium heat. Then reduce heat to medium low and simmer until the apples are soft and the mixture has thickened.
  • Meanwhile, preheat the oven to 350°.
  • When the filling is ready, spread it over the oat crumble base in the baking dish.
  • Disperse the remaining oat crumble over the top.
  • Bake for 20-30 minutes until the topping begins to brown slightly.
  • Let cool completely before slicing. Store in the refrigerator, but bring to room temperature before serving for maximum flavor.


Corn starch could be used in place of arrowroot.
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