Step 1

Preheat oven to 375°. Spray a 2-quart casserole dish with nonstick baking spray.

Step 2

Stir the blueberries, cherries, sugar, flour, and cinnamon in the greased dish.

Step 3

Stir together all the topping ingredients until they resemble wet sand. Crumble evenly over the top of the fruit mixture.

Step 4

Bake for 40-45 minutes. Remove and serve warm with vanilla ice cream, if desired.