Layer in an 8"x8" pan:
2 cups fresh or frozen blueberries
1 1/2 cups fresh or frozen raspberries
1 1/2 cups fresh rhubarb, chopped
Mix 2 tbsp flour and 1/4 cup of sugar (white or brown) and sprinkle over the fruit.
Topping:
1 cup quick rolled oats
1/2 cup brown sugar
1/2 cup flour
1/2 cup melted butter
1/2 tsp cinnamon
Mix the topping in a medium bowl and spread evenly over the fruit.
Bake at 350F for 35-40 minutes; until golden and blubbly.
Serve warm with ice cream or whipped cream. Yum!