INGREDIENTS
2
bags frozen blackberries, thawed and strained
2
bags frozen raspberries, thawed and strained
1 cup
sugar, plus 1 teaspoon for sprinkling
2 tbsp
cinnamon, plus 1/4 teaspoon for sprinkling
1/4 cup
arrowroot powder
2 tbsp
all-purpose flour
1/4 tsp
fine salt
Butter, for greasing
2
9-inch unroll-and-bake refrigerated pie crusts