Preheat oven to 350⁰F.
Mix filling ingredients together in a medium size bowl and spread evenly in a 8x12 baking dish. Combine topping ingredients and spoon over filling mixture until completely covered. Bake for 1 hour or until blueberry juice begins to bubble through the center. Cool for 10-15 min before serving.
Optional: Add other additional fruits such as apple, strawberries or even rhubarb!