Ingredients
1½cupsall-purpose flour
10tbspbutter
¼cupcold water
1cupstrawberries
1cupblueberries
1cupblackberries
½cupsugar
2tbspcornstarch
1egg
1tbspwater
2tbspturbinado sugar
Preparation
In a food processor, combine the flour and butter until incorporated.
Add in the cold water, and continue to blend until it forms a dough.
Remove from the food processor, roll into a ball, and flatten.
Wrap in plastic wrap and refrigerate for 10 to 15 minutes.
In a medium-sized bowl, combine strawberries, blueberries, and blackberries with sugar and cornstarch, and mix until coated.
Preheat the oven to 400 degrees. Roll out the dough into ¼-inch thickness.
Place the filling into the center of the dough. Fold up the edges to seal in the filling.
In a small bowl combine the egg and water.
Brush the egg wash on the edges and sprinkle with turbinado sugar.
Bake for 35 to 40 minutes or until golden brown.
Remove from oven and let set for 10 to 15 minutes before serving.
