Take 1 8-oz glass or container, preferably with a lid. Mason jars are ideal for this recipe. Start forming layers. First, put a layer of bananas at the bottom (1/4 banana). Then, spread 3 tablespoons of oats and milk, 1-2 tablespoons vanilla yogurt, a layer of blueberries, another 3 tablespoons oats, vanilla yogurt, sliced strawberries and finish with a thin layer of oats. Cover and repeat for the other three glasses.