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Close-up of a moist chocolate mug cake in a white striped cup topped with melted chocolate glaze.

Flourless Ganache Mug Cake: A Fudgy 5-Minute Dessert

Indulge in a rich, decadent chocolate experience in just 5 minutes with this Flourless Ganache Mug Cake. This intensely fudgy dessert is perfect for a quick, single-serving treat, boasting a molten chocolate center reminiscent of a luscious ganache.
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Prep Time 2 minutes
Cook Time 1 minute
Total Time 3 minutes
Servings: 1 serving
Course: Dessert
Cuisine: American
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

  • 2 tbsp unsweetened cocoa powder
  • 2 tbsp granulated sugar
  • pinch salt
  • 1 large egg
  • 3 tbsp whole milk or any milk
  • 1 tbsp neutral oil like vegetable or canola, or melted unsalted butter
  • 1/2 tsp vanilla extract
  • 2 tbsp chocolate chips semi-sweet or dark

Equipment

  • Microwave-safe mug (10-12 oz)
  • Small Whisk or Fork
  • Microwave

Method
 

  1. In a microwave-safe mug (approx. 10-12 oz), combine the cocoa powder, granulated sugar, and salt. Whisk with a small spoon or fork until no lumps remain.
  2. Add the egg, milk, oil (or melted butter), and vanilla extract to the mug. Whisk vigorously until the batter is smooth and well-combined, making sure to scrape down the sides.
  3. Stir in the chocolate chips, reserving a few if desired for topping after cooking.
  4. Microwave the mug cake on high for 60-90 seconds. Cooking time may vary depending on your microwave's wattage. The cake should look mostly set around the edges but may still be slightly moist and fudgy in the center. Avoid overcooking to maintain the fudgy ganache-like texture.
  5. Carefully remove the mug from the microwave. Let it cool for 1-2 minutes before serving directly from the mug. Optionally, sprinkle with extra chocolate chips or a dusting of cocoa powder.

Notes

For an even richer experience, use heavy cream instead of milk. You can also add a tiny pinch of instant coffee powder (1/8 tsp) to enhance the chocolate flavor. Enjoy warm for the best fudgy texture.