Craving a quick and tasty treat? This Chocolate Peanut Butter Mug Cake is your answer! In just a few minutes, you can whip up a delightful cake that combines rich chocolate with creamy peanut butter. Not only is it simple, but it’s also perfect for satisfying those sweet cravings. Let me guide you through the easy steps and mouthwatering flavors that make this mug cake a winner every time!
Why I Love This Recipe
- Quick and Easy: This mug cake takes only 5 minutes from start to finish, making it perfect for a last-minute dessert craving.
- Decadent Flavor: The rich combination of chocolate and peanut butter creates a deliciously indulgent treat that satisfies any sweet tooth.
- Single Serving: With this recipe, you can enjoy a personal-sized dessert without the temptation of leftovers.
- Customizable: Feel free to add your favorite toppings or mix-ins, like nuts or additional chocolate, to make it your own!
Ingredients
List of Ingredients
- 4 tablespoons all-purpose flour
- 3 tablespoons granulated sugar
- 1 tablespoon unsweetened cocoa powder
- 1/8 teaspoon baking powder
- 1/8 teaspoon salt
- 3 tablespoons milk (dairy or non-dairy)
- 1 tablespoon vegetable oil
- 1/2 teaspoon vanilla extract
- 1 tablespoon peanut butter (chunky or creamy)
- 1 tablespoon chocolate chips (optional)
The ingredients for a Chocolate Peanut Butter Mug Cake are simple and easy to find. You will start with flour, sugar, and cocoa powder. These give the cake its base and chocolate flavor. Adding baking powder helps the cake rise. A pinch of salt enhances the taste.
Next, you’ll need milk to make the batter smooth. You can use dairy milk or a non-dairy option. Vegetable oil keeps the cake moist. The vanilla extract adds a nice aroma.
Peanut butter is the star of this mug cake. It can be chunky or creamy, depending on your taste. If you want extra chocolate, add chocolate chips. They melt and make the cake even richer.
Nutritional Information
- Estimated calories per serving: 350
- Breakdown of macros:
- Fats: 18g
- Carbs: 40g
- Proteins: 7g
This mug cake is a delightful treat. It has around 350 calories per serving. The fats mainly come from peanut butter and oil. It has a fair amount of carbs from the sugar and flour. With 7 grams of protein, it gives a little boost to your snack.

Step-by-Step Instructions
Preparation Steps
- Combining dry ingredients
Start by taking a microwave-safe mug. Add 4 tablespoons of flour, 3 tablespoons of sugar, 1 tablespoon of cocoa powder, 1/8 teaspoon of baking powder, and 1/8 teaspoon of salt. Mix these well to break up any lumps.
- Mixing wet ingredients
Next, pour in 3 tablespoons of milk, 1 tablespoon of vegetable oil, and 1/2 teaspoon of vanilla extract. Stir until smooth. You should not see any dry bits in the mix.
- Incorporating peanut butter
Now, add 1 tablespoon of peanut butter. You can either leave it in the center for a gooey surprise or swirl it into the batter for a mix of flavors.
Cooking Steps
- Microwave cooking times
Place the mug in the microwave. Cook it on high for 40 to 60 seconds. Check it at 40 seconds. Every microwave is different, so keep an eye on it.
- How to assess doneness
The cake should rise and be set in the middle. If it looks wet or jiggles, it needs more time.
- Cooling time before serving
Let the mug cake cool for about one minute. It will be hot when you take it out! Enjoy your treat!
Tips & Tricks
Achieving the Perfect Mug Cake
To make the best chocolate peanut butter mug cake, avoid overcooking. Microwaves vary a lot. Start with 40 seconds and check. If it looks set, it is done. If not, add 10 seconds at a time. Keep an eye on it to ensure it stays soft and moist.
Ingredient Substitutions
You can swap out ingredients if needed. For flour, try almond flour or oat flour. Both work well. If you need a dairy-free milk, almond milk or coconut milk are great choices. They give a nice flavor too. For nut butter, feel free to use almond or cashew butter. Each option adds a unique twist to the cake.
Pro Tips
- Use a Larger Mug: Choose a mug with a capacity of at least 12 oz to allow the cake to rise without overflowing.
- Check Microwave Power: Microwaves vary in power; start with 40 seconds and check if it's fully cooked before adding more time.
- Experiment with Flavors: Feel free to swap peanut butter for almond butter or add spices like cinnamon for a different flavor profile.
- Top it Off: Enhance your mug cake by adding whipped cream or a scoop of ice cream right before serving for extra indulgence.
Variations
Flavor Combinations
You can change up the flavor of your mug cake with fun mix-ins. Adding nuts gives a nice crunch. Try walnuts or pecans for a tasty surprise. You can also add fruits like banana or berries for a fresh twist.
Using flavored extracts can also boost taste. Almond extract adds a sweet note. Coconut extract brings a tropical vibe. Just a few drops can make your cake special.
Alternative Cooking Methods
If you prefer, you can bake your mug cake in the oven. Preheat your oven to 350°F (175°C). Pour the batter into an oven-safe dish. Bake for about 10-12 minutes. Keep an eye on it to avoid overcooking.
Cooking on the stovetop is another option. Use a non-stick pan on low heat. Cover the pan with a lid. Cook for about 10 minutes until the cake rises and sets. This method gives a nice texture, too.
Storage Info
Storing Leftovers
To keep your chocolate peanut butter mug cake fresh, store it in an airtight container. This helps prevent it from drying out. You can also wrap the mug in plastic wrap if you want to keep it in the same dish. If stored properly, it lasts for about 1 to 2 days at room temperature. For longer storage, you can refrigerate it for up to 5 days. Just make sure it is cool before putting it in the fridge.
Reheating Instructions
To reheat your mug cake, use the microwave. Place it in the microwave for about 10 to 15 seconds. Check if it’s warm enough; if not, heat it for another 10 seconds. You want it warm but not too hot. Avoid overheating, as this can dry it out. Enjoy your cake warm for the best flavor!
FAQs
Common Questions
Can I make this mug cake vegan? Yes, you can make this mug cake vegan. Use non-dairy milk and a plant-based oil. For the egg, you do not need one in this recipe. The cake will still be tasty!
How can I make it gluten-free? To make this mug cake gluten-free, swap the all-purpose flour with a gluten-free flour blend. Make sure it has a good texture for baking.
What if I don't have a microwave? If you don’t have a microwave, you can bake it in the oven. Preheat the oven to 350°F (175°C). Use an oven-safe mug and bake for about 15 minutes, or until set.
Can I double the recipe? Yes, you can double the recipe. Use a larger mug or bowl to mix the batter. Just make sure to adjust the cooking time, checking it often.
What toppings pair well with Chocolate Peanut Butter Mug Cake? Many toppings work well with this mug cake. Try whipped cream, chopped nuts, or fresh berries. Drizzling more chocolate or peanut butter adds a nice touch too!
This blog post covered how to make a simple and tasty Chocolate Peanut Butter Mug Cake. We explored ingredients, prep steps, cooking methods, and fun variations. I shared tips for perfecting your cake and how to store leftovers.
Try different flavors and toppings to make it yours. Enjoy your yummy treat today!