Easy Three-Berry Crumble Slab Pie

Description

This informal pie is baked on a sheet pan and serves a crowd! Use frozen berries for a fresh flavor any time of year. You may serve this with whipped cream or ice cream, if desired.

Ingredients

  • 2 tablespoons all-purpose flour
  • 2 9-inch pie crusts
  • 7 cups frozen mixed berries (blackberries, blueberries, and raspberries)
  • ¾ cup granulated sugar
  • ⅓ cup arrowroot powder
  • ½ teaspoon salt
  • 1 cup rolled oats
  • 1 cup all-purpose flour
  • ¾ cup packed light brown sugar
  • 1 teaspoon apple pie spice
  • ½ teaspoon salt
  • 7 tablespoons cold unsalted butter

Instructions

  1. Preheat the oven to 375 degrees F (190 degrees C).
  2. Lightly dust an 11×15-inch half-sheet pan with flour. Carefully place the 2 pie crusts into the bottom of the sheet pan
  3. gently stretching and trimming the crusts to fit the bottom and up the sides of the pan.
  4. Combine berries
  5. sugar
  6. arrowroot powder
  7. and salt in a large bowl; stir well.
  8. Combine oats
  9. flour
  10. brown sugar
  11. apple pie spice
  12. and salt in a medium bowl. Use a pastry knife to cut butter into the oat mixture until butter is evenly distributed throughout and the crumble topping mixture resembles small
  13. uneven pieces.
  14. Pour berry mixture evenly onto the crust and add crumble mixture on top.
  15. Bake in the preheated oven until brown and bubbly
  16. 45 to 55 minutes. Remove and allow to cool for 30 to 45 minutes

Prep Time: 15 mins

Cook Time: 45 mins

Total Time: 1 hr 30 mins

Servings: 18

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