World's Best, Easiest, 5-Ingredient Mug Brownie

Prep Time 5 minutes
Cook Time 1 minute
Total Time 6 minutes
Servings 1


  • 3 Tbsp sugar
  • 2 Tbsp flour
  • 1 ½ Tbsp cocoa powder
  • 2 Tbsp salted butter
  • 2 Tbsp 2% milk


  1. In a small bowl measure out sugar, flour, and cocoa powder.
  2. Add milk and butter to your mug and microwave 30 seconds. The butter should be almost completely melted.
  3. While the mug is in the microwave whisk the dry ingredients together. This will help break up lumps.
  4. Pour the milk and butter into the bowl with the dry ingredients. Whisk until combined, 30-60 seconds.
  5. Pour the mixture back into the mug, making sure to scrape the bowl.

  6. Microwave for 60 seconds. Center should look a bit molten, but when you tip the mug the brownie should not slide around. 

  7. If your brownie slides, microwave it in 5 second bursts until it stays still when tilted. Let it cool for about 2 minutes before eating.

Recipe Notes