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How to Make a Brownie in a Mug

This ooey gooey peanut butter brownie in a mug recipe is absolutely amazing!! Throw it all together, stick in the microwave for 1 min. and it’s done to perfection! Dessert for one has never been more delicious and easy.

 how to make a brownie in a mug

Here’s how to make a brownie in a mug which is definitely one of our favorite mug recipes! I love single serving desserts! When I want something a fudgy brownie but don’t want to turn on the oven this peanut butter mug brownie is just perfect!  (originally published 8/16)

This brownie mug recipe is quite simple and perfect for a chocolate craving. Sometimes you just want a single serving of yum, not to make a whole pan full.

We love peanut butter inside. Of course you can add other goodies too if you want.

chocolate caramel toffee cake mix brownies

Peanut butter is a must in our house thugh. Yes you can omit it if there’s an allergy, and it is still tastes amazing.

  • You don’t have to add peanut butter brownie in a mug, but this addition is delicious!

If you have a sweet tooth but don’t want to make an entire package of brownies or cake this is a great alternative dessert for one!

How do you make microwave treats?

brownie in a mug

I like this brownie in a mug recipe from Simply Recipes because it is easy and I had everything in my cupboard at home.

I changed a few things and added peanut butter and it came out amazing!

I’m all about easy and ooey gooey desserts so I’ve made this one often because it’s just so easy and hits the spot when I want something sweet.

  • I decided to add a dollop of peanut butter in the center but you could also add a few Rollo caramels or leave it all out. 
  • A “regular” microwave brownie in a mug which is amazing as well.

I’m a peanut butter fanatic so if I am really going to go all in and indulge myself when making a microwave dessert for one I am going to really go for it if you know what I mean.

Peanut butter

How to make a brownie in a mug

  1. Cocoa powder (I use this one)
  2. Sugar
  3. Flour
  4. Salt
  5. Oil – vegetable or olive oil if that’s all you have
  6. Vanilla
  7. Peanut butter (optional, great without it too)
  8. medium/large microwave safe mug

The reason why you need a mug a bit larger than a standard tea or coffee cup is it may overflow.

Mug cake no egg

Cooking time is short because it is just one (or two) serving really. If you’re looking for a dessert with no eggs necessary, this is the one to make!

how to make a brownie in a mug
  • A dollop of whipped cream of vanilla ice cream on top can be added too.
  • It’s pretty darn sweet though so I would first try as is. It’s to die for!

If you love this easy brownie in a mug recipe you could put together the dry ingredients in small baggies.

  • Then use another “batch” on other nights.
  • Write with a sharpie on the bag what wet ingredients you need so it’s quick when you’re ready to make it again.

Seriously, it is so easy that way. Just make a large batch of this brownie in a mug mixture but portioned out into ziplocs so it’s ready when you are.

Looking for another easy mug recipe to try? This one is probably one of our most popular but we have even more below:

chocolate chip cookie in a mug

Best mug recipe you should try next!

Then try our fun pizza in a mug recipe that’s actually SO good!

Can you reheat a mug cake? Well to be honest I have never not finished the entire thing on the first go around.

If I don’t my husband will finish it off but I suppose you could cover with plastic wrap and then microwave for 10 seconds for the next go around.

Make sure you measure flour properly when measuring ingredients.

Want to see a few of my favorite things that I am totally obsessed with or visit my Etsy shop?? Take a peek and see how many you might already have…twinsies!

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***** If you LOVED this recipe give it 5 Stars below and let everyone know what you thought about it. 😉

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How to make a brownie in a mug
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4.67 from 18 votes

Peanut Butter Brownie in a Mug

This ooey gooey peanut butter brownie in a mug recipe is absolutely amazing!! Throw it all together, stick in the microwave for 1 min. and it’s done to perfection! Dessert for one has never been more delicious and easy. You have my permission to NOT share this with anyone else and just indulge.
Course Dessert
Cuisine American
Keyword angel food cake, brownie, chocolate, easy, homemade, microwave, mug, peanut butter, small batch
Prep Time 5 minutes
Cook Time 1 minute
Total Time 6 minutes
Servings 1
Calories 275kcal
Author The Typical Mom

Ingredients

Instructions

  • Add dry ingredients to mug and stir (use 12 oz. mug or larger because it will rise a bit). 
  • Add wet ingredients to mug and stir until mixed. 
  • Put tbsp. of peanut butter in middle of mix and push down a bit so it is submerged into brownie batter. 
  • Microwave for 60 seconds…done!!
  • Note: if you allow it to cool for 5 minutes it will solidify more if you want it more cakier and less ooey gooey

Video

Nutrition Facts
Peanut Butter Brownie in a Mug
Amount Per Serving (2 oz)
Calories 275 Calories from Fat 342
% Daily Value*
Fat 38g58%
Saturated Fat 5g31%
Sodium 80mg3%
Potassium 256mg7%
Carbohydrates 83g28%
Fiber 5g21%
Sugar 52g58%
Protein 9g18%
Calcium 13mg1%
Iron 3mg17%
* Percent Daily Values are based on a 2000 calorie diet.
peanut butter brownie in a mug
Recipe Rating




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Colleen

Tuesday 8th of June 2021

Looks good but no way it’s 275 kCals. Would be closer to 700

The Typical Mom

Thursday 10th of June 2021

Recipe card calculates that, I just put in ingredients

Momma bear

Sunday 7th of March 2021

I added 1 tablespoon of powdered sugar to the peanut butter. Delicious!

The Typical Mom

Tuesday 9th of March 2021

Oh yay

Donna

Friday 13th of November 2020

I just made this and it is like a cake you brownie. I cooked mine for 1 1/2 mins since my microwave is only 900 watts. It tastes just like a peanut butter cake brownie.

The Typical Mom

Saturday 14th of November 2020

So good right?

Moderate Sweet Tooth

Wednesday 16th of September 2020

Very tasty but please update your calorie count or serving size (hence my rating). I calculated 672 calories for this serving! Not sure how you got your numbers but they are deceiving.

Rachel

Wednesday 18th of November 2020

Came here to say the same thing, mine came to 646 calories, with only 90 of those being attributed to peanut butter. I should have checked it myself before eating it but now I know for next time!

The Typical Mom

Thursday 17th of September 2020

I don't calculate that, the recipe card does. It would vary greatly depending on the type of peanut butter you used for sure.

LeeAnn

Tuesday 9th of June 2020

Just made this, it was amazing. It is now the only one I’ll make

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