Triple-Berry Granola Crisp

1 bag (8 oz) frozen organic blueberries
1 bag (10 oz) frozen organic strawberries
1 bag (10 oz) frozen organic raspberries
1/4 cup sugar
2 tablespoons all-purpose flour
1 1/2 cups organic oats & honey granola
Vanilla reduced-fat ice cream or frozen yogurt, if desired

1. Heat oven to 375°F. In ungreased 8-inch square (2-quart) glass baking dish, mix frozen berries, sugar and flour until fruit is coated. Bake 20 minutes.
2. Stir. Sprinkle with granola.
3. Bake 15 to 20 minutes longer or until light golden brown and bubbly. Let stand 5 to 10 minutes before serving. Serve warm with ice cream.