Ingredients for - Peanut Butter Cookie in a Mug

1. Butter 1 tablespoon
2. Peanut butter 1 tablespoon
3. Brown sugar 1 tablespoon
4. White sugar 1 tablespoon
5. Salt 1 pinch
6. Egg 1
7. All-purpose flour 3 tablespoons

How to cook deliciously - Peanut Butter Cookie in a Mug

1 . Stage

Place butter and peanut butter in a microwave-safe mug. Microwave until butter and peanut butter are melted, about 30 seconds. Stir brown sugar, white sugar, and salt into butter mixture. Add egg; stir flour into mixture.

2 . Stage

Cook in the microwave until cookie is set, 2 to 4 minutes.