Chocolate Peanut Butter Mug Cake Quick and Easy Recipe

December 2, 2025February 16, 2025 by Olivia

Craving something sweet but short on time? Let me introduce you to the easiest dessert ever: Chocolate Peanut Butter Mug Cake! In just a few minutes, you can enjoy a warm, gooey treat that’s perfect for satisfying your chocolate and peanut butter fix. This quick recipe uses simple ingredients and has plenty of ways to customize. Ready to dig into this delicious cake? Let’s get started!

Why I Love This Recipe

Quick and Easy: This mug cake can be prepared in under 5 minutes, making it the perfect treat for a busy day or a late-night craving.
Single Serving Delight: No need to bake an entire cake; this recipe is designed for one, so you can enjoy a guilt-free dessert without leftovers.
Customizable: Feel free to swap in your favorite mix-ins like nuts or different types of chocolate to create your own unique flavor profile.
Decadent Flavor: The rich combination of chocolate and peanut butter creates a warm, gooey treat that satisfies any sweet tooth.

Ingredients

Full list of ingredients

– 4 tablespoons all-purpose flour

– 4 tablespoons granulated sugar

– 2 tablespoons unsweetened cocoa powder

– 1/4 teaspoon baking powder

– 1/4 teaspoon salt

– 3 tablespoons milk (any kind you prefer)

– 2 tablespoons vegetable oil (or melted coconut oil)

– 1 tablespoon creamy or crunchy peanut butter (plus an extra spoonful for topping)

– 1 tablespoon chocolate chips (or more for an extra indulgence)

Measurements and alternatives

For this mug cake, I use simple measurements. You can use a tablespoon and a cup. If you want to make it gluten-free, swap the all-purpose flour for almond flour or oat flour. For sugar, you can use coconut sugar or a sugar substitute if needed.

Optional toppings and mix-ins

You can get creative with toppings! Try adding:

– A scoop of vanilla ice cream

– A sprinkle of sea salt

– Chopped nuts for crunch

– Berries for a fruity twist

– More peanut butter or a drizzle of chocolate sauce

Step-by-Step Instructions

Preparing the dry ingredients

Take a large microwave-safe mug, about 12 ounces. Add the dry ingredients:

– 4 tablespoons all-purpose flour

– 4 tablespoons granulated sugar

– 2 tablespoons unsweetened cocoa powder

– 1/4 teaspoon baking powder

– 1/4 teaspoon salt

Whisk these together until they blend well. This helps prevent clumps in your cake. A smooth mix means a better texture.

Combining wet ingredients

Now, pour in the wet ingredients:

– 3 tablespoons milk

– 2 tablespoons vegetable oil

– 1 tablespoon creamy or crunchy peanut butter

Use a fork or small whisk. Mix until the batter is smooth. It should feel thick but pourable. If you want, fold in some chocolate chips for extra flavor. The more, the merrier!

Cooking in the microwave

Place the mug in your microwave. Cook on high for 40 to 60 seconds. The time varies based on your microwave’s power. Watch for the cake to puff up and set in the center. Avoid overcooking, as it can dry out the cake.

Let the mug cake cool for a minute. Add a dollop of peanut butter or some chocolate chips on top. You can also sprinkle cocoa powder for flair. Enjoy your treat right from the mug! It’s warm, gooey, and full of chocolatey goodness.

Tips & Tricks

Ensuring the perfect mug cake texture

To make your mug cake soft and fluffy, use the right measurements. Use a level tablespoon for flour and sugar. Too much flour can make it dry. Make sure to mix the dry ingredients well. This prevents clumps and helps the batter blend smoothly. When adding wet ingredients, mix just until combined. Overmixing can lead to a dense cake.

Microwave cooking variations

Every microwave works a bit differently. My microwave needs 50 seconds for the perfect cake. You might need more or less time. Start with less time and check your cake. If it isn’t set in the middle, add 10 seconds more. Remember, the cake continues to cook after you take it out.

How to avoid overcooking

Overcooking makes your mug cake tough and dry. To avoid this, watch it closely while it cooks. If the cake rises and looks firm, it’s likely done. You can also do a toothpick test. Insert it into the center. If it comes out clean, it’s ready. Let it cool for a minute before diving in. This helps the texture improve too. Enjoying a warm, gooey treat is the goal!

Pro Tips

Measure Accurately: Ensure all your ingredients are measured precisely to achieve the perfect texture and flavor in your mug cake.
Customize Your Cake: Feel free to add nuts, dried fruit, or even a splash of vanilla extract to enhance the flavor profile of your mug cake.
Microwave Variability: Since microwaves can vary in power, start with less time and add additional seconds as needed to avoid overcooking.
Serving Suggestions: For an extra treat, serve your mug cake with ice cream or whipped cream for a delicious dessert experience.

Variations

Different nut butters to use

You can switch out peanut butter for other nut butters. Almond butter gives a nice taste. Cashew butter is creamy and sweet. Sunflower seed butter works well, too, if you need a nut-free option. Each nut butter adds its unique flavor. Try them to find your favorite!

Adding flavors like vanilla or espresso

Adding a splash of vanilla extract boosts the taste. It makes the cake smell amazing while it cooks. You could also mix in a bit of espresso powder. This adds a rich coffee flavor. It pairs perfectly with chocolate and makes your cake more exciting.

Gluten-free options

You can easily make this mug cake gluten-free. Just switch the all-purpose flour for a gluten-free blend. Look for a mix that works well in baking. You may also use almond flour for a nutty touch. Your mug cake will still be delicious and fluffy!

Storage Information

Best practices for storing leftovers

To store your leftover mug cake, let it cool first. Cover it tightly with plastic wrap or place it in an airtight container. This keeps it fresh. Store it in the fridge for up to three days. If you want to keep it longer, consider freezing.

How to reheat your mug cake

To reheat, take your mug cake out of the fridge. Place it in the microwave for about 10 to 15 seconds. Check if it’s warm enough. If not, heat it a few more seconds. Be careful not to overheat.

Freezing options for future indulgence

If you want to freeze your mug cake, let it cool completely. Wrap it well in plastic wrap, then place it in a freezer bag. It can stay in the freezer for up to one month. When you’re ready to enjoy it, thaw it overnight in the fridge, then reheat as mentioned above. This way, you have a sweet treat ready anytime!

FAQs

Can I make this mug cake without a microwave?

Yes, you can bake this mug cake in an oven. Preheat your oven to 350°F (175°C). Use an oven-safe mug or small ramekin. Pour the mixed batter into the mug and bake for about 15 to 20 minutes. Keep an eye on it. The cake is done when it has risen and a toothpick comes out clean. This method gives a slightly different texture but is still delicious!

What can I substitute if I don’t have peanut butter?

If you don’t have peanut butter, try almond butter or cashew butter. Both give a nutty flavor and work well. You can also use sunflower seed butter for a nut-free option. Each choice brings its unique taste but keeps the cake creamy and rich. Just remember to adjust the quantity based on the thickness of the butter.

How do I adjust the recipe for multiple servings?

To make more mug cakes, simply multiply the ingredients. Use a larger bowl to mix everything. For example, if making two cakes, use double the ingredients. You can cook them one at a time or in separate mugs at the same time in the microwave. Just be mindful of the cooking time. You may need to increase the time slightly if using a larger batch in one go.

This blog post covered how to make a delicious mug cake. We looked at all the ingredients you need, including options and measurements. I shared step-by-step instructions for mixing and cooking, plus tips for a perfect texture. We explored fun variations, like nut butter choices and flavors. Lastly, I provided storage methods and answered common questions.

Now you can enjoy a delightful treat anytime with ease. Happy bakin

$- 4 tablespoons all-purpose flour - 4 tablespoons granulated sugar - 2 tablespoons unsweetened cocoa powder - 1/4 teaspoon baking powder - 1/4 teaspoon salt - 3 tablespoons milk (any kind you prefer) - 2 tablespoons vegetable oil (or melted coconut oil) - 1 tablespoon creamy or crunchy peanut butter (plus an extra spoonful for topping) - 1 tablespoon chocolate chips (or more for an extra indulgence) For this mug cake, I use simple measurements. You can use a tablespoon and a cup. If you want to make it gluten-free, swap the all-purpose flour for almond flour or oat flour. For sugar, you can use coconut sugar or a sugar substitute if needed. You can get creative with toppings! Try adding: - A scoop of vanilla ice cream - A sprinkle of sea salt - Chopped nuts for crunch - Berries for a fruity twist - More peanut butter or a drizzle of chocolate sauce {{ingredient_image_2}} Take a large microwave-safe mug, about 12 ounces. Add the dry ingredients: - 4 tablespoons all-purpose flour - 4 tablespoons granulated sugar - 2 tablespoons unsweetened cocoa powder - 1/4 teaspoon baking powder - 1/4 teaspoon salt Whisk these together until they blend well. This helps prevent clumps in your cake. A smooth mix means a better texture. Now, pour in the wet ingredients: - 3 tablespoons milk - 2 tablespoons vegetable oil - 1 tablespoon creamy or crunchy peanut butter Use a fork or small whisk. Mix until the batter is smooth. It should feel thick but pourable. If you want, fold in some chocolate chips for extra flavor. The more, the merrier! Place the mug in your microwave. Cook on high for 40 to 60 seconds. The time varies based on your microwave's power. Watch for the cake to puff up and set in the center. Avoid overcooking, as it can dry out the cake. Let the mug cake cool for a minute. Add a dollop of peanut butter or some chocolate chips on top. You can also sprinkle cocoa powder for flair. Enjoy your treat right from the mug! It’s warm, gooey, and full of chocolatey goodness. To make your mug cake soft and fluffy, use the right measurements. Use a level tablespoon for flour and sugar. Too much flour can make it dry. Make sure to mix the dry ingredients well. This prevents clumps and helps the batter blend smoothly. When adding wet ingredients, mix just until combined. Overmixing can lead to a dense cake. Every microwave works a bit differently. My microwave needs 50 seconds for the perfect cake. You might need more or less time. Start with less time and check your cake. If it isn't set in the middle, add 10 seconds more. Remember, the cake continues to cook after you take it out. Overcooking makes your mug cake tough and dry. To avoid this, watch it closely while it cooks. If the cake rises and looks firm, it’s likely done. You can also do a toothpick test. Insert it into the center. If it comes out clean, it's ready. Let it cool for a minute before diving in. This helps the texture improve too. Enjoying a warm, gooey treat is the goal! Pro Tips Measure Accurately: Ensure all your ingredients are measured precisely to achieve the perfect texture and flavor in your mug cake. Customize Your Cake: Feel free to add nuts, dried fruit, or even a splash of vanilla extract to enhance the flavor profile of your mug cake. Microwave Variability: Since microwaves can vary in power, start with less time and add additional seconds as needed to avoid overcooking. Serving Suggestions: For an extra treat, serve your mug cake with ice cream or whipped cream for a delicious dessert experience. {{image_4}} You can switch out peanut butter for other nut butters. Almond butter gives a nice taste. Cashew butter is creamy and sweet. Sunflower seed butter works well, too, if you need a nut-free option. Each nut butter adds its unique flavor. Try them to find your favorite! Adding a splash of vanilla extract boosts the taste. It makes the cake smell amazing while it cooks. You could also mix in a bit of espresso powder. This adds a rich coffee flavor. It pairs perfectly with chocolate and makes your cake more exciting. You can easily make this mug cake gluten-free. Just switch the all-purpose flour for a gluten-free blend. Look for a mix that works well in baking. You may also use almond flour for a nutty touch. Your mug cake will still be delicious and fluffy! To store your leftover mug cake, let it cool first. Cover it tightly with plastic wrap or place it in an airtight container. This keeps it fresh. Store it in the fridge for up to three days. If you want to keep it longer, consider freezing. To reheat, take your mug cake out of the fridge. Place it in the microwave for about 10 to 15 seconds. Check if it’s warm enough. If not, heat it a few more seconds. Be careful not to overheat. If you want to freeze your mug cake, let it cool completely. Wrap it well in plastic wrap, then place it in a freezer bag. It can stay in the freezer for up to one month. When you’re ready to enjoy it, thaw it overnight in the fridge, then reheat as mentioned above. This way, you have a sweet treat ready anytime! Yes, you can bake this mug cake in an oven. Preheat your oven to 350°F (175°C). Use an oven-safe mug or small ramekin. Pour the mixed batter into the mug and bake for about 15 to 20 minutes. Keep an eye on it. The cake is done when it has risen and a toothpick comes out clean. This method gives a slightly different texture but is still delicious! If you don’t have peanut butter, try almond butter or cashew butter. Both give a nutty flavor and work well. You can also use sunflower seed butter for a nut-free option. Each choice brings its unique taste but keeps the cake creamy and rich. Just remember to adjust the quantity based on the thickness of the butter. To make more mug cakes, simply multiply the ingredients. Use a larger bowl to mix everything. For example, if making two cakes, use double the ingredients. You can cook them one at a time or in separate mugs at the same time in the microwave. Just be mindful of the cooking time. You may need to increase the time slightly if using a larger batch in one go. This blog post covered how to make a delicious mug cake. We looked at all the ingredients you need, including options and measurements. I shared step-by-step instructions for mixing and cooking, plus tips for a perfect texture. We explored fun variations, like nut butter choices and flavors. Lastly, I provided storage methods and answered common questions. Now you can enjoy a delightful treat anytime with ease. Happy baking!$