How to Make a Peanut Butter Brownie in a Mug

Brownies in a mug are a fast and easy way to satisfy your late night sweet tooth without breaking out the casserole dish. These soft and chewy single-serving brownies can be prepared and ready to eat in under 10 minutes. You can choose from a variety of toppings such as marshmallows, nuts, chocolate chips or coconut flakes. All you need is a microwave, a mug and a few simple ingredients and you are ready to make an individual dessert. It is also a fun and safe way to get the children involved in making their own treats.

Things You'll Need

  • 4 tbsp. flour

  • 4 tbsp. sugar

  • 2 tbsp. cocoa

  • 1/8 tsp. baking powder

  • 3 tbsp. water

  • 3 tbsp. canola oil

  • 1/8 tsp. salt

  • 4 tbsp. peanut butter

  • Cooking spray

  • Coffee mug

Step 1

Coat a large coffee mug lightly with cooking spray. Store in the freezer until ready to use.

Step 2

Combine 4 tbsp. flour, 4 tbsp. sugar, 2 tbsp. cocoa, 1/8 tsp. baking powder and 1/16 tsp. salt in a medium bowl. Sift out any clumps.

Step 3

Add 3 tbsp. water and 3 tbsp. oil to the dry ingredients and mix until smooth.

Step 4

Fill the chilled coffee mug to the halfway point with the brownie mixture.

Step 5

Drop in 3 tsp. of peanut butter and stir gently.

Step 6

Microwave on high for 2 minutes or until the center of the brownie is lightly set.

Step 7

Spread a thin layer of peanut butter on top of the brownie while it is still warm.

Step 8

Allow to cool for 3 minutes. The coffee mug should be warm to the touch when ready. Serve warm.

Tip

The brownie will rise while cooking. Do not overfill.

You may need to increase the cooking time depending on your microwave's settings.

Place a paper towel on the bottom of the microwave in case of spillage.

Substitute powdered milk for the cocoa to make a blondie.

Warning

Carefully monitor the baking process, as contents may overflow.

Use caution when removing the coffee mug from the microwave; contents are hot.

References & Resources

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