Pin this Craving dessert but do not want to turn on the oven This peanut butter chocolate mug cake is my instant fix when sweet tooth strikes It bakes up in just minutes with a handful of pantry ingredients and delivers fudgy chocolate and gooey peanut butter in every bite
The first time I whipped this up I could not believe how decadent it tasted with so little work Whenever I am feeling a bit indulgent this is my secret treat
Ingredients
- All purpose flour: adds structure for cake like texture use fresh for best results
- Unsweetened cocoa powder: gives deep chocolate flavor I stick with natural cocoa for classic taste
- Sugar: brings the right amount of sweetness feel free to use brown sugar for extra richness
- Baking powder: ensures a good rise always check it is not past expiration for maximum fluffiness
- Salt: just a pinch enhances both chocolate and peanut flavors
- Peanut butter: forms the creamy gooey center opt for smooth for even melt or crunchy for texture
- Milk: binds everything together whole milk gives a richer crumb but any kind works
- Neutral oil: keeps it ultra moist I usually choose canola but light olive oil also shines
- Vanilla extract: adds warmth and rounds out the flavors pure vanilla always elevates the cake
Instructions
- Measure and Combine Dry Ingredients:
- Add flour cocoa powder sugar baking powder and salt into an 8 to 12 ounce microwave safe mug Use a fork or small whisk to thoroughly blend everything until no cocoa or flour streaks remain This ensures the cake cooks evenly
- Add and Mix Wet Ingredients:
- Pour in the milk oil and vanilla Stir until a smooth batter forms scraping down the sides I always dig to the bottom to catch any dry pockets
- Swirl in Peanut Butter:
- Drop a heaping spoonful of peanut butter right on top Lightly swirl it through the batter with a knife leaving some thick ribbons visible This creates those hidden gooey bites throughout
- Microwave to Perfection:
- Place the mug on a plate to catch any overflow Microwave on high for 45 to 60 seconds Start checking at 45 seconds The cake should look set but slightly moist on top Do not overcook for best fudgy texture
- Cool and Enjoy:
- Let the mug cake cool for two minutes before digging in It will be piping hot right out of the microwave The center stays molten and the edges fluffy Perfect balance
Pin this Peanut butter has always been my comfort ingredient and my kids love swirling it in themselves This mug cake makes dessert fun and interactive and I often double the recipe when we all want a treat
Storage Tips
Mug cakes are best enjoyed immediately for maximum gooey texture but you can cover and refrigerate leftovers for up to two days Reheat in the microwave for about ten seconds to restore just baked warmth The texture will be denser but still delicious
Ingredient Substitutions
Swap almond or cashew butter for a peanut free version Try oat or almond milk to make it dairy free Use coconut sugar instead of granulated for a hint of caramel For extra richness stir in a few chocolate chips before microwaving
Serving Suggestions
Dress it up with ice cream or whipped cream for an instant sundae Add a drizzle of chocolate or caramel sauce for extra decadence Sprinkle with flaky salt to highlight the sweet and salty flavors
Pin this Let the cake rest for a couple of minutes before eating This keeps it extra fudgy
Frequently Asked Recipe Questions
- → Can I use crunchy peanut butter?
Yes, crunchy peanut butter adds texture and nutty bites to your mug cake.
- → What type of mug works best?
A microwave-safe, 12-16 ounce mug gives room for rising and prevents overflow.
- → Can I substitute cocoa powder?
Unsweetened cocoa powder is ideal, but hot chocolate mix or cacao powder can be used for a milder flavor.
- → How long should I microwave the cake?
Typically, 1 to 1.5 minutes on high is sufficient, depending on your microwave's wattage.
- → Is it possible to make this vegan?
Swap dairy milk for plant-based alternatives and use flaxseed instead of eggs for a vegan version.