3 INGREDIENT PEANUT BUTTER MUG CAKE Ingredients: 3 tbs peanut butter 1 egg 1 tbs sugar 1 reeses peanut butter cup (optional) Instructions: In a mug, whisk together peanut butter, egg, and sugar until smooth. Press a Reese’s peanut butter cup into the center and microwave for 1 minute. Allow to cool slightly and enjoy! 😋 viral 3 ingredient peanut butter mug cake recipe 🥜#recipe #shorts #dessert #peanutbutter #foodhacks