berry crisp recipe

Ingredients: Filling: 4 cups mixed berries (such as strawberries, blueberries, raspberries, and blackberries) 1/4 cup granulated sugar 1 tablespoon lemon juice 1 tablespoon cornstarch Topping: 1 cup old-fashioned rolled oats 1/2 cup all-purpose flour 1/2 cup light brown sugar 1/2 teaspoon ground cinnamon 1/4 teaspoon salt