Microwave Brownie Cake


Created this in a dorm room when all the mug cake recipes I found were terrible. It's super easy to make and to memorize, and if you only use one mug, a tablespoon measure, and a spoon, you have a lot fewer dishes to do. Easy to make in under 5 minutes with minimal mess, so enjoy! And never feel bad about eating the entire thing yourself.

Prep Time:
5 mins
Cook Time:
1 mins
Total Time:
6 mins
1 mug cake


  • 3 tablespoons chocolate chips, or to taste

  • 2 tablespoons butter

  • 2 tablespoons packed brown sugar

  • 1 tablespoon white sugar

  • salt

  • 1 pinch baking soda

  • 1 splash vanilla extract

  • 1 egg yolk

  • ¼ cup all-purpose flour


  1. Microwave chocolate chips and butter in a microwave-safe mug until melted, about 20 seconds. Add brown sugar, white sugar, salt, baking soda, and vanilla extract; mix together until combined. Stir in egg yolk. Add flour; mix until batter is blended and smooth.

  2. Cook in the microwave until crust forms but center is still fudgy, about 35 seconds. Add 5 to 10 seconds for a drier consistency.

Cook's Note:

This recipe is enough for one 1/2 cup serving of cake (roughly) or two 1/4 cup mug cakes, doled into separate mugs after mixing.

Do not use more baking soda than recommended. The cake will rise too much.

You will need to soak whatever mug you use - this stuff dries on pretty tough. Setting it out overnight with water in the mug typically gets it off though.

Nutrition Facts (per serving)

664 Calories
37g Fat
83g Carbs
7g Protein
Nutrition Facts
Servings Per Recipe 1
Calories 664
% Daily Value *
Total Fat 37g 47%
Saturated Fat 22g 109%
Cholesterol 266mg 89%
Sodium 611mg 27%
Total Carbohydrate 83g 30%
Dietary Fiber 3g 9%
Total Sugars 57g
Protein 7g
Calcium 61mg 5%
Iron 3mg 17%
Potassium 179mg 4%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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