Spray a microwave-safe mug with nonstick spray. Add flour, powdered peanut butter, baking powder, and sweetener. Mix well. Add egg, milk, vanilla extract, and 2 tablespoons water. Stir until uniform.
Microwave for 1 minute and 15 seconds, or until set. Eat warm!
Feel free to top with sliced banana, sugar free whipped cream (or rice whip), and a sprinkle of cinnamon
Notes: approx. 234 cal and 15g protein
