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Fresh raspberries, blueberries, and blackberries mixed with sugar and cornstarch for a non-soggy triple berry pie filling.

The Triple Berry Pie That Doesn't Get Soggy (Finally!)

That first slice - the one where the filling holds its shape, the berries are suspended in a jammy, deep-purple gloss, and the bottom crust is crisp enough to shatter under your fork - that's the slice I chased for ten years. This triple berry pie recipe finally delivers.
Prep Time 35 minutes
Cook Time 1 hour
Total Time 5 hours
Course Dessert
Cuisine American
Servings 8
Calories 420 kcal

Equipment

  • 9-inch pie dish
  • Rolling Pin
  • Large Bowl
  • Colander
  • Saucepan
  • Pastry cutter
  • Pastry Brush
  • Baking Sheet
  • Wire Rack

Ingredients
  

For the All-Butter Crust

  • 2 ½ cups all-purpose flour (300g)
  • 1 cup cold unsalted butter, cubed (226g)
  • ½ cup ice water (plus more if needed), (100g)
  • 1 tablespoon apple cider vinegar
  • 1 teaspoon salt

For the Triple Berry Filling

  • 6 cups mixed fresh berries (strawberries, blueberries, blackberries or raspberries), about 900g
  • ¾ cup granulated sugar (150g)
  • ¼ cup cornstarch (32g)
  • 2 tablespoons lemon juice
  • 1 tablespoon lemon zest
  • 2 tablespoons cold butter (optional, for dotting)

For Assembly and Glaze

  • 1 egg (for egg wash)
  • 1 tablespoon water (for egg wash)
  • turbinado sugar (for sprinkling)

Instructions
 

  • Prep the berries: Rinse them gently and pat dry. Hull and halve strawberries; leave blueberries and blackberries whole. Handle raspberries carefully to avoid breaking.
  • Macerate: In a large bowl, toss berries with sugar, lemon juice, and lemon zest. Let sit at room temperature for 45 minutes to 1 hour until a pool of liquid forms at the bottom.
  • Drain and reduce: Pour berries into a colander set over a medium saucepan (do not press). Let drain 5 minutes. Bring the liquid to a boil, then simmer for 10-12 minutes until syrupy and reduced by half. Whisk in cornstarch during the last 2 minutes to thicken into a glossy gel.
  • Combine: Gently fold the reduced syrup back into the drained berries. Cool completely (pop in the fridge for 20 minutes if impatient).
  • Make the crust: Whisk flour and salt together. Add cold butter cubes and toss. Using a pastry cutter or fingertips, work butter into flour until it resembles coarse meal with pea-sized butter pieces remaining.
  • Add liquids: Drizzle ice water and apple cider vinegar over flour mixture. Stir with a fork until dough just comes together (shaggy and barely cohesive).
  • Chill dough: Divide dough in half, flatten into disks, wrap in plastic, and refrigerate at least 1 hour (overnight is better).
  • Roll bottom crust: On a floured surface, roll one disk to a 12-inch circle. Transfer to a 9-inch pie dish, gently pressing into corners. Trim excess to a ½-inch overhang.
  • Fill the pie: Spoon cooled berry filling into crust. Optionally dot with 1-2 tablespoons cold butter.
  • Roll top crust: Roll second disk. For lattice: cut strips, weave on parchment, freeze 10 minutes, then flip onto pie. Or place full top crust and cut vents.
  • Chill, egg wash, and bake: Freeze assembled pie 15 minutes while oven preheats to 400°F. Brush with egg wash (1 egg beaten with 1 tbsp water) and sprinkle with turbinado sugar. Bake at 400°F for 20 minutes, then reduce to 375°F and bake 35-45 minutes more, covering edges with foil if browning too fast. Filling should bubble in thick, glossy bubbles when done.
  • Cool completely: Let pie cool on a wire rack for at least 4 hours before slicing. Cutting too early will cause the filling to run.

Notes

Storage: Baked pie keeps at room temperature (covered) for 2 days or in the fridge for up to 5 days. Reheat slices at 350°F for 10 minutes to restore crust crispness. Freeze unbaked (without egg wash) for up to 3 months; bake from frozen adding 15-20 minutes. Freeze baked and cooled pie for up to 3 months. Tips: Don't skip the chill on the assembled pie - it solidifies butter for flakiness. Place a baking sheet under the pie to catch drips. Trust the color: filling should bubble thickly, crust deep golden. Patience with cooling is the key to perfect slices.
Keyword non-soggy pie, summer pie, triple berry pie