Ingredients List
Crumb topping:
1 cup all-purpose flour
1/3 cup packed light brown sugar
1/4 teaspoon ground cinnamon
1/4 teaspoon salt
1 stick unsalted butter, cut into 1/2-inch pieces, at room temperature
Berry Filling:
1 1/2 cups blueberries
1 1/2 cups strawberries
1 1/2 cups blackberries
1 1/2 cups raspberries
1/2 cup sugar
3 tablespoons cornstarch