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Four bowls of gluten-free apple crisp.

Gluten-Free Apple Crisp

Easy recipe for gluten-free apple crisp.
Course Dessert
Prep Time 20 minutes
Cook Time 45 minutes



  • 1 cup old-fashioned whole oats (3 ½ ounces; 100 grams)
  • ¾ cup gluten-free flour (4 ounces; 115 grams)
  • ½ cup packed light or dark brown sugar (3 ¾ ounces; 110 grams)
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon salt
  • ½ cup butter, cold and cut into 14 pieces (1 stick; 4 ounces; 115g)


  • 5 pounds apples, cut into thick slices (about 7 to 8 large apples, 10 cups sliced.)
  • Zest and juice of one lemon
  • ¼ cup packed light or dark brown sugar, see note
  • ¼ cup gluten-free flour
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon salt


  1. Preheat oven to 350° F (177 °). Lightly grease a 9x13-inch baking pan with softened butter or nonstick cooking spray.
  2. Prepare the topping: Whisk together oats, gluten-free flour, brown sugar, cinnamon, and salt. Cut in the butter using a pastry cutter or your fingers until crumbly. Set aside.
  3. Prepare the filling: Stir together the apple slices, lemon zest and juice. Add the brown sugar, gluten-free flour, cinnamon, and salt. Stir until all the apple slices are evenly coated.
  4. Spread the apples into an even layer in the prepared pan. Sprinkle the topping evenly over the apple slices.
  5. Bake until the apples are soft and filling bubbles, about 45 minutes. Remove pan from the oven. Allow apple crisp to cool for about 15 minutes before serving.
  6. Store leftover apple crisp covered in the refrigerator for up to four days. Reheat before serving in the microwave on low heat for about 30 seconds.