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Export 9 ingredients for grocery delivery
Step 1
Spray a microwave-safe mug with nonstick spray. Add flour, protein powder, powdered peanut butter, baking powder, and sweetener. Mix well.
Step 2
Add egg whites, soymilk/almond milk, vanilla extract, and 2 tablespoons water. Stir until uniform.
Step 3
Microwave for 1 minute and 15 seconds, or until set.
Step 4
Immediately run a knife along the edges to help separate the cake from the mug. Firmly place a plate over the mug, and flip so that the plate is on the bottom. Gently shake mug to release cake onto the plate.
Step 5
Sprinkle with peanuts. Eat warm.