Preheat the oven to 350 °F. In a 7x11 inch or similar size baking dish, combine all of the ingredients for the filling.
In a medium, microwave safe bowl, melt the butter for 30 seconds. Add remaining topping ingredients and mix until well combined.
Pour crumble topping evenly over filling and bake for 45 minutes.
Remove from oven and allow to sit for 5 minutes. Serve.
Notes
LeftoversStore leftovers in an airtight container in the refrigerator for up to 4 days or freeze for up to 3 months. Eat cold, at room temperature or reheated. You can reheat it in the microwave or in the oven at 350 F for 10-15 minutes until warmed through.