WANT TO SAVE THIS RECIPE?
Craving something sweet but short on time? You’re in for a treat! I’m excited to share my easy and quick Chocolate Peanut Butter Mug Cake recipe. This fluffy dessert takes just minutes to whip up in the microwave, making it perfect for any occasion. With simple ingredients, quick steps, and tasty options, you’ll satisfy that sweet tooth in no time. Let’s dive into this delightful recipe!

Why I Love This Recipe
- Quick and Easy: This mug cake can be prepared in just a few minutes, making it a perfect treat for when you’re short on time.
- Decadent Flavor: The combination of chocolate and creamy peanut butter creates a rich and satisfying dessert that indulgence lovers will adore.
- Single Serving: This recipe is designed for one serving, so you can enjoy a sweet treat without the temptation of leftovers.
- Customizable: You can easily modify this recipe by adding your favorite mix-ins or toppings, making it versatile for any craving.
Ingredients
Complete list of Ingredients
– 4 tablespoons all-purpose flour
– 4 tablespoons granulated sugar
– 2 tablespoons unsweetened cocoa powder
– 1/8 teaspoon baking powder
– 1/8 teaspoon salt
– 3 tablespoons milk (dairy or non-dairy)
– 2 tablespoons vegetable oil
– 1 tablespoon vanilla extract
– 1 tablespoon creamy peanut butter
– Optional: Extra chocolate chips for topping
To make your chocolate peanut butter mug cake, you need simple ingredients. These are easy to find in most kitchens. All-purpose flour gives the cake its structure. Sugar adds sweetness. Cocoa powder brings rich chocolate flavor. Baking powder helps the cake rise. Salt balances the sweetness and enhances flavor.
You can use dairy or non-dairy milk based on your taste. Vegetable oil keeps the cake moist. The vanilla extract adds a nice aroma. Creamy peanut butter makes the cake special. It creates a gooey center that melts in your mouth.
If you want to make it even better, add some chocolate chips on top. They melt when cooked and make the cake extra chocolatey. You can also add nuts or whipped cream as toppings for a fun twist. Use your favorite toppings to make this mug cake your own!

Step-by-Step Instructions
Detailed Instructions on Making the Mug Cake
1. Mixing dry ingredients
Grab a microwave-safe mug, at least 12oz in size. Add 4 tablespoons of all-purpose flour, 4 tablespoons of granulated sugar, 2 tablespoons of unsweetened cocoa powder, 1/8 teaspoon of baking powder, and 1/8 teaspoon of salt. Use a small whisk or fork to blend these dry ingredients well. Make sure there are no lumps.
2. Adding wet ingredients
Now, pour in 3 tablespoons of milk, 2 tablespoons of vegetable oil, and 1 tablespoon of vanilla extract. Stir the mixture until it is smooth. You want all the wet ingredients to mix evenly with the dry ones. This step is key for fluffy cake.
3. Incorporating creamy peanut butter
Take 1 tablespoon of creamy peanut butter and spoon it right into the center of your batter. Do not stir it in! Leaving it on top will create a gooey and tasty center when the cake cooks.
4. Cooking in the microwave
If you love chocolate, add some extra chocolate chips on top for a treat! Then, pop the mug in the microwave. Cook it on high for 40 to 60 seconds. Start checking at 40 seconds. The cake should rise and feel set but still soft in the middle. Let it cool for a minute before you enjoy it. Eating it straight from the mug is the best part!
Tips & Tricks
How to Achieve the Perfect Mug Cake
To make a great mug cake, start with the right mug size. I recommend using a mug that holds at least 12 oz. This size helps the cake rise without overflowing.
Next, remember that microwaves vary. You might need to adjust cooking time. Start with 40 seconds, then check for doneness. The cake should rise and feel set but still soft inside. If it needs more time, add 10 seconds at a time.
For serving suggestions, you can add a dollop of whipped cream on top. Crushed peanuts also make a nice touch. Enjoy your cake warm for the best taste. You can even drizzle some chocolate syrup over it for extra sweetness!
Pro Tips
- Choose the Right Mug: Make sure to use a microwave-safe mug that is at least 12oz in size to allow the cake to rise without overflowing.
- Customize Your Flavor: Don’t hesitate to add a pinch of cinnamon or a splash of espresso to the batter for an extra depth of flavor.
- Monitor Cooking Time: Every microwave is different, so start checking your mug cake around the 40-second mark to avoid overcooking.
- Let It Cool: Allow the mug cake to cool for about a minute before enjoying, as it will be extremely hot right out of the microwave.

Variations
Customization Options for Your Mug Cake
You can easily change this chocolate peanut butter mug cake. Start by switching the nut butter. Try almond butter or cashew butter for a new taste. Each nut butter brings a unique flavor.
Next, add fruits for a fresh twist. Chopped bananas or berries work great in the mix. They bring natural sweetness and moisture. You can also mix in spices like cinnamon or a dash of sea salt.
If you want a vegan version, swap regular milk for plant-based milk. Use coconut oil instead of vegetable oil. For gluten-free options, replace all-purpose flour with almond flour or a gluten-free blend.
Feel free to experiment! The cake is a blank canvas. Try your favorite flavors to create something special. Enjoy your delicious creations!
Storage Info
How to Store Leftover Mug Cake
If you have leftover Chocolate Peanut Butter Mug Cake, store it in the fridge. Place it in an airtight container. This keeps it fresh for up to two days.
To reheat, pop it in the microwave for about 10-15 seconds. Check if it’s warm enough. If not, add a few more seconds.
You can also freeze it for longer storage. Wrap the mug cake tightly in plastic wrap. Then, place it in a freezer-safe bag. It’ll last for up to a month.
When you’re ready to eat it, let it thaw in the fridge overnight. Reheat it in the microwave as mentioned above.
For serving, I like to add a bit of whipped cream or extra chocolate chips. This adds a nice touch after storage. Enjoy it warm for the best taste!
FAQs
Common Questions About Chocolate Peanut Butter Mug Cake
Can I make this mug cake in the oven?
Yes, you can bake this mug cake in the oven. Use a small oven-safe dish instead of a mug. Preheat your oven to 350°F (175°C). Pour the batter into the dish and bake for about 10-12 minutes. Check for doneness by inserting a toothpick. It should come out clean.
How can I make it less sweet?
To reduce the sweetness, cut back on the granulated sugar. You can use 2 tablespoons instead of 4. Alternatively, try using unsweetened cocoa powder. This will also help balance the flavors.
Is there a way to make this recipe healthier?
Yes, you can make this mug cake healthier. Use whole wheat flour instead of all-purpose flour. Substitute sugar with a natural sweetener like honey or maple syrup. You can also use a nut butter that has no added sugar. This keeps the cake tasty while making it more nutritious.
You learned how to make a tasty chocolate peanut butter mug cake. We covered all the ingredients, step-by-step instructions, and helpful tips. I shared fun variations, storage tips, and answers to your common questions.
Now, you can enjoy a quick and easy dessert any time. Don’t hesitate to get creative with mix-ins or toppings. Embrace this simple method and delight in your own delicious mug cak
Chocolate Peanut Butter Mug Cake
A quick and easy chocolate mug cake with a gooey peanut butter center.
Prep Time 5 minutes mins
Cook Time 1 minute min
Total Time 6 minutes mins
Course Dessert
Cuisine American
Servings 1
Calories 350 kcal
- 4 tablespoons all-purpose flour
- 4 tablespoons granulated sugar
- 2 tablespoons unsweetened cocoa powder
- 1 teaspoon baking powder
- 1 teaspoon salt
- 3 tablespoons milk
- 2 tablespoons vegetable oil
- 1 tablespoon vanilla extract
- 1 tablespoon creamy peanut butter
- optional extra chocolate chips for topping
In a microwave-safe mug (at least 12oz in size), start by adding the all-purpose flour, granulated sugar, unsweetened cocoa powder, baking powder, and salt. Use a small whisk or a fork to mix these dry ingredients thoroughly until they are fully combined and free of lumps.
Next, pour in the milk, vegetable oil, and vanilla extract to the dry mixture. Stir well until the batter is smooth and all wet ingredients are incorporated evenly into the dry mix, ensuring there are no lumps.
Carefully spoon the tablespoon of creamy peanut butter into the center of the batter. Do not stir it in; this will create a delicious, gooey molten center once baked.
If you fancy an extra chocolatey treat, feel free to sprinkle some chocolate chips over the top of the batter. This optional step enhances flavor and makes the cake even more decadent.
Place the mug in the microwave and cook on high power for 40-60 seconds. Start checking around the 40-second mark to gauge doneness, as microwaves can vary in power. The mug cake should rise and appear set, yet still maintain a soft and slightly gooey center.
Once microwaved, allow your mug cake to cool for about a minute before digging in. Enjoy it straight from the mug for a simple and delicious treat!
For a delightful finish, top your mug cake with a dollop of whipped cream and a sprinkle of crushed peanuts. Enjoy it warm to savor the rich flavors and gooey center!
Keyword chocolate, mug cake, peanut butter, quick dessert
WANT TO SAVE THIS RECIPE?