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American Flag Pie

Servings: 1 10 x 15 slab pie
Author: Pamela

Ingredients

  • 1 large egg yolk
  • 1 Tablespoon heavy cream half-and-half, whole milk, or buttermilk
  • 1 cup fresh or frozen/defrosted blueberries
  • 5-8 Tablespoons maple sugar pure maple syrup, or granulated cane sugar, divided
  • 4 Tablespoons arrowroot divided
  • 4 teaspoons fresh lemon juice
  • Drizzle of cassis liquor optional
  • 5 cups fresh or frozen/defrosted strawberries sliced
  • 1/2 teaspoon pure vanilla extract
  • pinch of sea salt
  • All purpose or white spelt flour for dusting the countertop
  • Pâte Brisée see recipe below

Instructions

  • Preheat oven to 375 degrees.
  • In a small bowl, whisk together the egg yolk and cream. Set aside.
  • In a medium bowl, toss together the blueberries, 1-2 Tablespoons sugar, 1 Tablespoon arrowroot, 1 teaspoon lemon juice, and cassis, if using, until no arrowroot is visible. Set aside.
  • In a large bowl, toss together the strawberries, 4-6 Tablespoons sugar, 3 Tablespoons arrowroot, 1 Tablespoon lemon juice, vanilla, and salt, until no arrowroot is visible. Set aside.
  • Roll the larger disk of pie dough on a lightly floured countertop, regularly checking to make sure disk is not sticking to counter. You want to roll the dough to exceed the border of a 15 x 10-inch baking sheet by 1 1/2 inches on all sides. Fold the dough and fit in and up the sides of the baking sheet. If you have to patch some pieces of dough in there, go for it. Trim the edges with a sharp knife and transfer the baking sheet into the refrigerator.
  • Take the second disk of dough and roll it out in the same manner, but keeping in mind you'll need the following 1-inch wide strips: 3 strips 15 1/2 inches long + 4 strips 10 1/2 inches long + dough scraps you'll roll out to cut stars.
  • Take 1 short strip and create a reverse "L" and make a square in the upper left corner of the baking sheet. Fill this with the blueberry mixture.
  • Fill the remainder of the shell with the strawberry mixture.
  • Take the 3 long strips and arrange across the lower half of the baking sheet. Take the 3 remaining shorter strips and arrange across the upper portion of the baking sheet. You want the "stripes" to be equi-distant from each other.
  • Take the leftover scraps of dough and using a very small, 1-inch star cutter, make as many stars as you can that will fit over the blueberry section. Brush the stars with reserved egg wash and place across the blueberry filling.
  • Carefully brush the stripes with egg wash. Bake until crust is golden brown and filling is bubbling, about 45-55 minutes. Transfer pie to a cooling rack and allow filling to set, at least 45 minutes. Serve warm or at room temperature. I make this pie the day before and keep it covered at room temperature.

Notes

Pâte Brisée (make this in 2 batches if your food processor is less than 16-cup capacity)
5 cups all-purpose flour or white spelt flour
2 Tablespoons organic cane sugar
2 teaspoons sea salt
4 sticks unsalted butter, cut into cubes
2 Tablespoons fresh lemon juice or white vinegar (or use all water)
8-10 Tablespoons ice water
1. Place the flour, sugar and salt in the bowl of a food processor fitted with the metal blade and pulse a couple times until blended.
2. Add the butter to the flour and pulse until the mixture resembles small peas.
3. Pour lemon juice and 1/2 cup of ice water on top of the flour mixture and pulse about 10 times. Avoiding the blade, carefully grab a small handful of dough and squeeze together. If the dough holds together without crumbling, it's ready to be formed into a disc. If it's too dry, pulse in another few teaspoons of ice water until dough holds together,
4. Transfer dough onto the counter and bring dough together to form a ball. Divide dough into two portions, one slightly larger than the other. Form each into a disk, and wrap each disk in plastic wrap and refrigerate at least 30 minutes at which point it will be ready to roll out.