4 cups blueberries, fresh
1/2 cup margarine, melted
3/4 cup flour
3/4 cup oats, regular
1/2 cup brown sugar
Pinch of salt
Whipped topping, optional
Spread blueberries in bottom of baking dish. Mix together margarine, flour, oats, brown sugar and salt; spread over berries.
Bake for 45 minutes in 350-degree oven. Serve warm topped with dollop of whipped topping, if desired.