Blueberry Crumble Slab Pie

No need to decide between blueberry crumble and a slice of pie. This blueberry dessert combines both in one made-for-sharing package. Try the blueberry crumb pie with frozen berries when fresh aren't in season.

Blueberry Slab Pie
Photo: Jason Donnelly
Prep Time:
30 mins
Bake Time:
40 mins
Total Time:
30 mins
24 bars


  • 2 ½ cup all-purpose flour

  • ¾ teaspoon salt

  • ¾ cup butter-flavor shortening

  • 8 tablespoon ice water

  • 1 cup sugar

  • ¼ cup all-purpose flour

  • ½ teaspoon ground cinnamon

  • ½ teaspoon finely shredded lemon peel

  • 6 cup fresh or frozen blueberries*

  • 1 recipe Crumb Topping

Crumb Topping

  • 1 cup quick-cooking rolled oats

  • 1 cup packed brown sugar

  • ½ cup all-purpose flour

  • ½ cup butter

  • ½ cup chopped pecans


  1. Preheat oven to 375°F. Line a 15x10x1-inch baking pan with foil, extending the foil over edges of pan; set aside. For pastry, in a large bowl stir together 2 1/2 cups flour and salt. Using a pastry blender, cut in shortening until pieces are pea size. Sprinkle 1 tablespoon of the ice water over part of the flour mixture; toss gently with a fork. Push moistened pastry to side of bowl. Repeat moistening flour mixture, using 1 tablespoon of the ice water at a time, until all of the flour mixture is moistened. Gather flour mixture into a ball, kneading gently until it holds together.

  2. On a lightly floured surface, roll pastry into a 19x13-inch rectangle. Wrap pastry around the rolling pin; unroll into the prepared baking pan. Ease pastry onto the bottom and up the sides without stretching it. Trim pastry to 1/2 inch beyond edges of pan. Fold under extra pastry and crimp edges as desired.

  3. In a large bowl stir together sugar, 1/4 cup flour, cinnamon, and lemon peel. Add blueberries; toss gently to coat. Spoon blueberry mixture evenly into pastry-lined baking pan. Sprinkle with Crumb Topping.

  4. Bake for 40 to 45 minutes or until filling is bubbly and topping is golden. If necessary to prevent overbrowning, cover top of pie loosely with foil for the last 10 minutes of baking. Cool slightly in pan on a wire rack. Serve warm or cool completely. Using the edges of the foil lining, lift uncut bars out of pan. Cut into bars.

Crumb Topping

  1. In a large bowl stir together rolled oats, brown sugar, and all-purpose flour. Using a pastry blender, cut in butter until oat mixture resembles coarse crumbs. Stir in pecans.


If using frozen blueberries, toss with the sugar mixture as directed, then let stand at room temperature for 30 minutes before adding to the pastry-lined pan. Berries will still be icy.

Nutrition Facts (per serving)

267 Calories
12g Fat
38g Carbs
3g Protein
Nutrition Facts
Servings Per Recipe 24
Calories 267
% Daily Value *
Total Fat 12g 15%
Saturated Fat 4g 20%
Cholesterol 10mg 3%
Sodium 103mg 4%
Total Carbohydrate 38g 14%
Total Sugars 21g
Protein 3g
Vitamin C 3.5mg 18%
Calcium 20.2mg 2%
Iron 1.3mg 7%
Potassium 81mg 2%
Fatty acids, total trans 1g
Folate, total 36.3mcg
Vitamin B-6 0mg

*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

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