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BrenDid Cinnamon Crumb Coffee Cake in a Mug - Delicious coffee cake in 5 minutes when you use your microwave.

Cinnamon Crumb Coffee Cake in a Mug

  • Author: Bren
  • Prep Time: 3 minutes
  • Cook Time: 2 minutes
  • Total Time: 5 minutes
  • Yield: 2 small cakes 1x
  • Category: Brunch
  • Method: Oven
  • Cuisine: American


We love delicious coffee cake and it makes a great Sunday morning treat, but I don’t like getting up extra early to make it. Enter the microwave and a mug… seriously delicious coffee cake in 5 minutes or less! Makes one seriously decadent serving or two sweet treats.



Coffee Cake:

  • 2 tbsp unsalted butter (softened)
  • 4 tbsp sugar
  • 1 egg
  • 4 tbsp plain Greek yogurt
  • 1/4 tsp vanilla
  • 1/2 cup flour
  • 1/4 tsp baking powder
  • Crumb filling and topping
  • 2 tbsp unsalted butter (softened)
  • 4 tbsp flour
  • 2 tbsp brown sugar
  • 2 tsp cinnamon
  • 2 tsp chopped walnuts (optional)


  • 1/8 cup powdered sugar
  • 12 tsp milk
  • 1/4 tsp vanilla


  1. Mix the batter in a small bowl.
  2. Cream together softened butter and sugar.
  3. Add egg, Greek yogurt and vanilla; beat until smooth.
  4. Add flour and baking powder; blend.
  5. In a separate mug or small bowl combine ingredients for crumb topping and blend until crumbly.
  6. In a large coffee mug or two small mugs layer batter,crumb topping, batter and finally crumb topping .
  7. Microwave on high for 1 minute. If you are making one large mug it may need another 30 seconds – 1 minute. Check by inserting toothpick into the center, if it comes out clean your cake is done. If not, microwave 20 more seconds.
  8. In a clean bowl, stir together glaze ingredients. Once smooth drizzle over the coffee cake.
  9. You can serve the coffee cake right in the mug, or get all fancy pants and put it on a plate.
  10. This coffee cake serves 2 adults or 1 adult and 2 smallish kids.


  • Serving Size: 1 mug
  • Calories: 620

Keywords: coffee cake in a mug, easy coffee cake

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