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Simple Brownie Mug Cake Recipe

A rich, fudgy brownie mug cake ready in just 60 seconds—perfect for weeknight cravings and single-serve indulgence without the hassle.
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Prep Time 3 minutes
Cook Time 1 minute
Total Time 4 minutes
Servings: 1 serving
Course: Dessert
Cuisine: American
Calories: 210
Ingredients Method Notes

Ingredients
  

  • 4 teaspoons granulated sugar
  • 2 teaspoons unsweetened cocoa powder
  • 4 teaspoons all-purpose flour
  • 2 teaspoons water
  • 2 teaspoons canola or vegetable oil
  • 1/4 teaspoon vanilla extract
  • Optional: chocolate chips pinch of sea salt, dash of espresso powder

Method
 

  1. Use a 10–12 oz microwave-safe mug.
  2. Add sugar, cocoa powder, and flour; whisk until fully combined.
  3. Stir in water, oil, and vanilla until just combined.
  4. Fold in chocolate chips if using.
  5. Microwave on high for 30 seconds; add 5-second increments if needed.
  6. Let rest 1–2 minutes before serving.

Notes

Slightly undercook for the fudgiest texture and avoid overmixing to prevent toughness.