Peanut Butter Mug Cake Recipe
Introduction
This Peanut Butter Mug Cake is a quick and easy treat that you can make in just minutes using ingredients you probably have on hand. It’s perfect for satisfying a sweet craving without the fuss of baking a whole cake. Plus, it’s customizable with optional chocolate chunks for an extra indulgence.

Ingredients
- 2 tablespoons all-purpose flour
- 2 tablespoons creamy peanut butter
- 2 tablespoons unsweetened almond milk
- 1 tablespoon pure maple syrup
- 1/4 teaspoon baking powder
- 1/2 teaspoon pure vanilla extract (optional)
- 1 tablespoon dairy-free chocolate chunks (optional)
Instructions
- Step 1: Add all ingredients except the chocolate chunks to an 8-ounce or larger microwave-safe mug. Use a fork to stir until well combined. If the batter feels too thick and clings to your spoon, add a splash more almond milk until it is thin enough to stay in the mug.
- Step 2: Microwave on high for 45-60 seconds until the cake has risen and springs back slightly when poked. If your microwave heats quickly, check at 30 seconds. If not done after 60 seconds, microwave in 15-second bursts, being careful not to overcook or it may become dry.
- Step 3: Optionally, top with chocolate chunks and enjoy your cake right away.
Tips & Variations
- Use creamy peanut butter for a smoother batter and better rise. For a nut-free version, substitute with sunflower seed butter.
- Add a pinch of cinnamon or a few drops of almond extract to enhance flavor.
- For a baked version, place the batter in an oven-safe ramekin and bake at 375°F until domed and springy, about 15-20 minutes.
Storage
This mug cake is best enjoyed fresh, but you can store leftovers in an airtight container in the refrigerator for up to 2 days. Reheat gently in the microwave for about 20 seconds, checking to avoid overcooking.
How to Serve
Serve this delicious recipe with your favorite sides.
FAQs
Can I use a different type of milk?
Yes, you can substitute almond milk with any plant-based milk or regular dairy milk depending on your preference.
What if I don’t have a microwave?
Simply bake the batter in an oven-safe mug or ramekin at 375°F for 15-20 minutes until the top is set and springs back when poked.
