01 - Combine rolled oats and milk in a mixing bowl until fully incorporated.
02 - Gently swirl peanut butter and jam throughout the oat mixture without overmixing.
03 - Transfer the mixture to a greased baking dish and bake in a preheated oven at 350°F for 25 minutes.
04 - Remove from oven, top with fresh banana slices, and serve warm.