Preheat oven to 375°; spray 13 x 9-inch baking dish with cooking spray. In large bowl, toss mangoes, raspberries, cornstarch, granulated sugar, lemon juice and zest; transfer to prepared dish.
In medium bowl, stir granola, butter, brown sugar, flour and coconut; sprinkle over fruit mixture.
Bake crisp 45 minutes or until top is golden brown and edges are bubbly. Makes about 8 cups.