Brownie in a Mug

Prep Time 5 minutes
Cook Time 1 minute
Servings 1 serving
Calories 490 kcal


  • 2 tablespoons of butter
  • 2 tablespoons of sugar
  • 1 firmly packed tablespoon of light brown sugar
  • 1/4 teaspoon of pure vanilla extract
  • Pinch of kosher salt
  • 1 egg yolk
  • 4 tablespoons of flour
  • 1 tablespoon of Hershey's unsweetened cocoa powder
  • 2 heaping tablespoons of semi sweet chocolate chunks


  1. Melt butter in microwave safe mug or ramekin.
  2. Butter should be melted, not boiling.
  3. Stir together butter, sugars, vanilla and salt.
  4. Stir in egg yolk. Do not use egg white! Save for a different recipe or discard.
  5. Add flour and cocoa powder and stir again until well combined.
  6. Finally, add chocolate chunks.
  7. Cook for about 45 seconds in microwave. Do not over cook. Microwave times may vary.
Nutrition Facts
Brownie in a Mug
Amount Per Serving (1 g)
Calories 490 Calories from Fat 261
% Daily Value*
Fat 29g45%
Saturated Fat 17g106%
Cholesterol 256mg85%
Sodium 211mg9%
Potassium 76mg2%
Carbohydrates 53g18%
Fiber 2g8%
Sugar 26g29%
Protein 7g14%
Vitamin A 959IU19%
Calcium 23mg2%
Iron 3mg17%
* Percent Daily Values are based on a 2000 calorie diet.