Weetabix Base - Crumble two Weetabix into the bottom of a container or bowl and mix with milk. Flatten with the back of a spoon to create an even layer.
Banana Layer - Add a layer of mashed banana and a sprinkle of cinnamon on top of the weetabix layer.
Fruity Yogurt Layer - In a separate bowl mix mashed raspberries with yoghurt until combined well. Layer on top of the banana. Cover and refrigerate overnight (or for a min of 1 hour).
Toppings - Remove from the refrigerator, add fresh berries or your favourite toppings and serve.