- Mash bananas in a large mixing bowl.
- Add raisins, walnuts, pecans, prunes, and vanilla, then mix.
- Add oatmeal and stir until well combined.
- Layer the bottom of a glass baking dish with halved berries, then squeeze the orange over the berries.
- Add oatmeal mixture on top.
- Bake at 350°F for 20-25 minutes and serve while warm.
Notes: To toast walnuts and pecans, place on baking sheet and roast in a 400°F oven for 5-8 minutes.