This high-protein pineapple upside-down cake recipe is made with oat flour, Greek yogurt, and whey protein powder. The cake is moist, fluffy, and has a delicious caramelized pineapple topping. To make the topping, you'll need fresh pineapple slices, coconut oil, and honey. The cake batter is made with oat flour, whey protein powder, baking powder, baking soda, Greek yogurt, coconut sugar, and vanilla extract. The result is a high-protein version of the classic pineapple upside-down cake that is just as delicious and satisfying.
