Chocolate Peanut Butter Mug Cake Tasty Quick Treat

Jasmine Torres

Jasmine Torres

Published February 16, 2026

This post may contain affiliate links.

PREP TIME

5 mins

COOK TIME

1 mins

SERVINGS

1

Chocolate Peanut Butter Mug Cake Tasty Quick Treat

Are you craving something sweet but short on time? Look no further! This Chocolate Peanut Butter Mug Cake recipe is your quick and tasty answer. With just a few simple ingredients, you can whip up a warm, gooey dessert in minutes. Whether you're alone or sharing, this treat will satisfy your sweet tooth. Let’s dive into the easy steps to create this delicious indulgence!

Why I Love This Recipe

  1. Quick and Easy: This mug cake comes together in just 5 minutes, making it perfect for a last-minute dessert craving.
  2. Decadent Flavors: The combination of chocolate and peanut butter creates an indulgent treat that satisfies any sweet tooth.
  3. Customizable: You can easily add your favorite mix-ins like chocolate chips or nuts to make it your own.
  4. Single Serving: This recipe is designed for one, so you can enjoy a delicious dessert without the temptation of leftovers.

Ingredients

To make a tasty chocolate peanut butter mug cake, you need simple ingredients. Here’s what you'll need:

- 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 (or a non-dairy substitute)

- 2 tablespoons peanut butter (smooth or crunchy)

- 1 tablespoon vegetable oil

- 1/4 teaspoon vanilla extract

- Optional: chocolate chips for extra richness

These ingredients come together fast. All-purpose flour gives the cake structure. Granulated sugar adds sweetness. Cocoa powder brings out that rich chocolate flavor. Baking powder helps the cake rise, while salt enhances the taste.

You can use any milk you prefer, whether it's dairy or non-dairy. Peanut butter adds creaminess and flavor. Vegetable oil keeps the cake moist. Vanilla extract gives a nice aroma. If you want more chocolate, toss in some chocolate chips!

This list makes it easy to whip up a delightful treat in just minutes.

Step-by-Step Instructions

Mixing the Dry Ingredients

First, take your microwave-safe mug. Add the dry ingredients:

- 4 tablespoons all-purpose flour

- 4 tablespoons granulated sugar

- 2 tablespoons unsweetened cocoa powder

- 1/8 teaspoon baking powder

- 1/8 teaspoon salt

Now, mix these well. Stir with a fork or spoon until they blend. This step is key. If you don’t mix well, you’ll find dry spots in your cake. Trust me, a good mix gives you a tasty treat!

Adding Wet Ingredients

Next, it's time for the wet stuff. Pour in:

- 3 tablespoons milk (dairy or non-dairy)

- 2 tablespoons peanut butter

- 1 tablespoon vegetable oil

- 1/4 teaspoon vanilla extract

Stir this mixture vigorously. The goal is a smooth batter. If you see lumps, keep mixing! This batter needs to be creamy. For an extra treat, fold in some chocolate chips. The more, the merrier!

Microwave Cooking Instructions

Now, let’s cook it! Place your mug in the microwave. Set the time for 60 to 90 seconds. Start with 60 seconds and check. The cake should rise and look set. You want a slightly gooey center for the best taste. If it’s not ready, add a few more seconds.

After cooking, let it cool for a minute. You can top it with more peanut butter or a dusting of powdered sugar. Enjoy your quick and tasty chocolate peanut butter mug cake!

Tips & Tricks

Achieving the Best Texture

To get the best texture for your chocolate peanut butter mug cake, microwave time is key. Start with 60 seconds. Check if the cake has risen and looks set. If it still seems wet, add 10 to 15 seconds. You want a soft, gooey center. This makes each bite a delight.

To create that gooey center, avoid overcooking. The cake should not be dry. It’s okay if it jiggles a bit in the middle. Let it rest for a minute after cooking. This will help the cake finish cooking while cooling.

Enhancing Flavor

You can enhance the flavor by adding chocolate chips or other toppings. Stir in a tablespoon of chocolate chips before cooking. They melt and add extra richness. You can also top your mug cake with more peanut butter or whipped cream for a tasty treat.

For more flavor, use flavored peanut butter. Try chocolate peanut butter or cinnamon peanut butter. These options add a fun twist to the classic taste. Don't be afraid to get creative with your toppings!

Pro Tips

  1. Use a Larger Mug: This helps prevent overflow as the cake rises in the microwave.
  2. Check for Doneness: Microwave power levels vary; start with 60 seconds and add time as needed.
  3. Add Texture: Consider mixing in nuts or additional chocolate chips for a delightful crunch.
  4. Serve Warm: This cake is best enjoyed warm, so resist the urge to wait too long before indulging!

Variations

Different Flavor Combinations

You can make your mug cake even more fun! Try the brownie style chocolate peanut butter. Just add a little more cocoa powder and some chocolate chips. This gives your cake a rich, fudge-like taste. You can also mix in chopped walnuts for a nice crunch.

Another tasty combo is adding bananas or Nutella. For a banana twist, mash half a ripe banana and stir it in with the wet ingredients. This makes your cake moist and adds natural sweetness. If you love Nutella, swap out some peanut butter for it. You will get a creamy, chocolatey surprise in every bite!

Vegan and Gluten-Free Options

You can easily make this cake vegan and gluten-free. For gluten-free, use almond flour or oat flour instead of all-purpose flour. These flours work well and keep your cake soft.

For dairy-free, use almond milk or coconut milk in place of regular milk. You can also use any nut butter if you prefer. Just make sure it’s smooth and creamy for the best results.

If you want vegan peanut butter options, choose a brand that has no added sugars or oils. This keeps your cake healthier. You can also try sunflower seed butter if you have nut allergies. It adds a unique flavor and works great in this recipe!

Storage Info

Best Practices for Leftovers

After making your chocolate peanut butter mug cake, you may have some left. If so, store it in the fridge. This keeps the cake fresh and tasty. It lasts for about two days in the fridge. If you leave it at room temperature, it may only stay good for one day.

Reheating Instructions

To enjoy your leftover mug cake, simply use the microwave. Heat it on low power for about 15 to 30 seconds. This warms it up without making it tough. You want to keep that nice, gooey center. You can also add a little milk or peanut butter before reheating for extra moisture. Enjoy your tasty treat again!

FAQs

How do I make a mug cake without eggs?

You can use several egg substitutes for your mug cake. Here are some great options:

- Applesauce: Use 1/4 cup of unsweetened applesauce instead of one egg.

- Mashed banana: Replace one egg with 1/4 cup of mashed banana.

- Yogurt: Use 1/4 cup of plain yogurt for one egg.

- Flaxseed meal: Mix one tablespoon of flaxseed meal with two and a half tablespoons of water. Let it sit for a few minutes to thicken.

These substitutes work well for the chocolate peanut butter mug cake. They help bind the ingredients and keep the cake moist.

Can I make this recipe in advance?

Yes, you can prepare the ingredients in advance. Here are some tips:

- Mix dry ingredients: Combine flour, sugar, cocoa powder, baking powder, and salt in a mug. Store it covered until you are ready to bake.

- Keep wet ingredients separate: Measure out milk, peanut butter, oil, and vanilla. Store them in a small container in the fridge.

- Assemble when ready: When you want to enjoy your mug cake, add the wet ingredients to the dry mix and stir. This method helps keep your cake fresh and tasty.

What if my mug cake overflows in the microwave?

Overflow can happen, but you can avoid it with a few simple tips:

- Use a larger mug: Choose a mug that holds at least 12 ounces. This extra space helps prevent spills.

- Don’t overfill: Fill your mug no more than halfway with batter.

- Watch the time: Keep an eye on the cake as it cooks. Start checking at 60 seconds. If you see it rising too high, pause the microwave for a few seconds.

If it does overflow, it’s okay! Just clean the microwave and enjoy the delicious mess.

This blog post showed how to make a delicious mug cake. We explored simple ingredients like flour, cocoa, and peanut butter. The step-by-step guide helped you mix, cook, and achieve the right texture. I shared tips for adding flavor and creating different variations, including vegan options. Remember, store leftovers properly and reheat with care. With these easy methods, you can enjoy a sweet treat anytime. Now, it's time to try making your own mug cake and savor every bite!

Decadent Chocolate Peanut Butter Mug Cake

Decadent Chocolate Peanut Butter Mug Cake

A quick and easy chocolate mug cake with a rich peanut butter flavor.

5 min prep
1 min cook
1 servings
450 cal
Pin Recipe

Ingredients

Instructions

  1. 1

    In a microwave-safe mug (approximately 12 oz), combine the flour, sugar, cocoa powder, baking powder, and salt. Stir well until the dry ingredients are fully blended.

  2. 2

    Add the milk, peanut butter, vegetable oil, and vanilla extract to the dry mixture. Stir vigorously until you achieve a smooth batter without any lumps. If desired, fold in a few chocolate chips for added chocolatey goodness.

  3. 3

    Microwave the mug on high for 60-90 seconds. Start checking at around 60 seconds; the cake should rise and look set but still slightly gooey in the center for the best texture.

  4. 4

    Allow the mug cake to cool for a minute before enjoying it. You can top it with an extra dollop of peanut butter or a sprinkle of powdered sugar for an added touch.

Chef's Notes

For extra richness, add chocolate chips to the batter.

Course: Dessert Cuisine: American
Jasmine Torres

Jasmine Torres

Founder & Food Blogger

Jasmine Torres, Founder & Food Blogger, created dailydishlab to share her passion for culinary adventures.