This protein-packed peanut butter chocolate cake is a delicious and healthy dessert that's perfect for anyone looking to increase their protein intake. The cake is made with whey protein powder, which provides a good source of protein and helps to keep you feeling full. The peanut butter also provides a good source of protein and healthy fats, while the dark chocolate is rich in antioxidants. To make the cake even more protein-packed, you can add some chopped nuts or seeds to the batter. Serve it with a dollop of Greek yogurt or a sprinkle of protein powder for a dessert that's both delicious and nutritious.