Rich Chocolate Protein Mug Brownie 1 scoop Casein protein 1 egg white 1 TB coconut flour 1 tsp baking powder 1/4 cup milk of your choice Top with whatever toppings you prefer. I topped mine with 1 TB almond butter, toasted almonds, and a medium strawberry. Mix until it's thick and well stirred. Grease a mug and press mixture into the mug. Microwave for 30 seconds to a minute.