This Peanut Butter Mug Cake is a quick and satisfying single-serve dessert with a soft, fluffy texture and rich peanut butter flavor. Made in the microwave in just minutes, it’s perfect for a fast homemade treat.
Total Time:5 minutes
Yield:1 mug cake
Ingredients
4 tablespoons all-purpose flour
2 tablespoons granulated sugar
1/4 teaspoon baking powder
Pinch of salt
3 tablespoons milk
2 tablespoons creamy peanut butter
1 tablespoon vegetable oil or melted butter
1/4 teaspoon vanilla extract
Optional chocolate chips for topping
Instructions
Add the flour, sugar, baking powder, and salt to a microwave-safe mug and stir until combined.
Add the milk, peanut butter, oil, and vanilla extract.
Mix until the batter is smooth and no dry spots remain.
Stir in a few chocolate chips if desired.
Microwave on high for 60–90 seconds, depending on the power of the microwave.
Allow the cake to cool for 1–2 minutes before serving.
Enjoy as is or top with extra peanut butter, whipped cream, or chocolate sauce.
Notes
Use a mug that holds at least 12 ounces to prevent overflow.
Natural peanut butter can be used if well stirred beforehand.
Avoid overcooking to maintain a soft and tender texture.
Substitute dairy milk with almond, oat, or soy milk if preferred.
Store leftovers in the refrigerator for up to 1 day and reheat briefly before serving.
