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Blueberry slab pie in sheet pan with corner piece being scooped out with a serving spoon
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Blueberry Slab Pie

Slab pie is so much easier to serve! This one has a scratch crust and a crumble topping and is full of blueberry pie filling!
Prep Time30 mins
Cook Time45 mins
Chill Time30 mins
Total Time1 hr 45 mins
Course: Dessert
Cuisine: American
Servings: 10 servings
Calories: 458kcal
Author: Dorothy Kern
Cost: $10

Ingredients

For the Crust:

  • 2 ½ cups (304g) all-purpose flour
  • ½ teaspoon salt
  • 1 cup (226g) unsalted butter (diced and cold)
  • 2-3 tablespoons (30-45ml) ice water

For the Filling & Topping:

  • 1 recipe Blueberry Pie Filling (or a 21 oz can)
  • ½ cup (113g) unsalted butter, softened slightly
  • 1 cup (124g) all-purpose flour
  • ½ cup (43g) quick cooking oats
  • ½ cup (100g) granulated sugar

Instructions

  • Make your crust: Pulse flour and salt in a food processor for a second. Add butter and pulse until butter has been worked through the flour. Add water, 1 tablespoon at a time, until the dough comes together (I used 2 tablespoons water).
  • Roll out the dough carefully, between sheets of parchment or wax paper, to a large rectangle. Carefully transfer it to a 10x15-inch jelly roll pan and press it into the bottom and up the sides. Chill at least 30 minutes.
  • Preheat oven to 350°F.
  • Spread blueberry pie filling evenly over the crust.
  • Using a hand mixer, mix remaining topping ingredients (butter, flour, oats, and sugar) in a large bowl. You may need to use your hands to break up the large bits of butter. Sprinkle over the top of the blueberry filling and press to compact.
  • Place on a larger cookie sheet in case of spillage. Bake for 35-45 minutes until topping begins to brown. Cool before cutting.
  • Serve plain or with ice cream. Store in an airtight container for up to 3 days or freeze for up to 2 months.

Video

Nutrition

Serving: 1serving | Calories: 458kcal | Carbohydrates: 46g | Protein: 5g | Fat: 28g | Saturated Fat: 18g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 7g | Trans Fat: 1g | Cholesterol: 73mg | Sodium: 361mg | Potassium: 70mg | Fiber: 2g | Sugar: 10g | Vitamin A: 851IU | Calcium: 17mg | Iron: 2mg