When you’re craving something sweet but don’t want to spend time baking, this Keto 2-Minute Microwave Mug Cake provides a quick, low-carb solution. Made with keto-friendly ingredients, this cake is ideal for satisfying dessert cravings without spiking blood sugar. Enjoy it plain, or dress it up with keto-friendly toppings for a customized treat.

Ingredients

This recipe makes one serving.

  • 3 tbsp almond flour (about 24g; fine almond flour works best for a light texture)
  • 1 tbsp coconut flour (about 7g; adds structure and prevents the cake from being too dense)
  • 2 tbsp granulated erythritol or monk fruit sweetener (or any preferred low-carb sweetener)
  • ½ tsp baking powder (helps the cake rise and stay fluffy)
  • 1 large egg
  • 1½ tbsp melted butter (about 21g; coconut oil works as a substitute)
  • 1 tbsp unsweetened almond milk (or any low-carb milk alternative)
  • ¼ tsp vanilla extract
  • Pinch of salt

Optional add-ins: 1-2 tbsp sugar-free chocolate chips, ½ tsp cinnamon, or a few chopped nuts

Instructions

Step 1: Prepare Your Mug and Ingredients

  1. Choose the Right Mug: Select a microwave-safe mug, ideally about 8-12 ounces in size, to allow space for the cake to rise without overflowing. Ceramic mugs work best for even heat distribution.
  2. Gather and Measure Ingredients: Accurately measure out each ingredient, especially almond flour and coconut flour, as the right balance between these is essential for the cake’s texture.

Step 2: Combine Dry Ingredients

  1. Add Almond and Coconut Flours: Begin by adding 3 tablespoons of almond flour and 1 tablespoon of coconut flour to your mug. Coconut flour is more absorbent than almond flour, so just a small amount is needed.
  2. Add Sweetener and Baking Powder: Add 2 tablespoons of erythritol (or any keto-friendly granulated sweetener) and ½ teaspoon of baking powder. The baking powder will give the cake its light, fluffy texture. Add a pinch of salt to balance sweetness and enhance flavor.
  3. Mix the Dry Ingredients: Use a small whisk or fork to blend the dry ingredients thoroughly, ensuring there are no lumps and that the baking powder is well-distributed.

Step 3: Add Wet Ingredients

  1. Crack the Egg: Add 1 large egg to the dry mixture. The egg helps bind the ingredients and gives the cake a fluffy texture.
  2. Add Melted Butter: Pour in 1½ tablespoons of melted butter. This adds richness and a smooth, moist texture to the cake. For a dairy-free version, substitute with coconut oil.
  3. Add Almond Milk and Vanilla: Add 1 tablespoon of unsweetened almond milk for moisture and ¼ teaspoon of vanilla extract for flavor. These help create a smooth, cake-like consistency.

Step 4: Stir Until Smooth

  1. Mix Thoroughly: Stir all ingredients together until you achieve a smooth batter with no visible lumps. Make sure the egg and butter are well-incorporated into the flour mixture.
  2. Add Optional Mix-Ins: If desired, fold in sugar-free chocolate chips, a pinch of cinnamon, or chopped nuts for added flavor and texture. Ensure these are well-mixed.

Step 5: Microwave the Cake

  1. Microwave on High: Place the mug in the center of the microwave. Microwave on high for 1 minute and 30 seconds to 2 minutes, depending on the power of your microwave.
  2. Check Doneness: Insert a toothpick or fork to check if the cake is done. If the toothpick comes out clean, the cake is ready. If not, continue microwaving in 10-15 second increments.

Step 6: Let It Cool Slightly

  1. Let the Cake Rest: Allow the mug cake to cool for a minute before eating. This helps the flavors settle and avoids burning your mouth.

Step 7: Serve and Enjoy

  1. Add Toppings: For extra flavor, top with whipped coconut cream, a sprinkle of cinnamon, or a drizzle of melted sugar-free chocolate.
  2. Serve and Enjoy: Grab a spoon and dig in! This mug cake is best enjoyed immediately while it’s warm and fluffy.

Nutritional Information (Per Serving)

  • Calories: 300 kcal
  • Carbohydrates: 7g (Net carbs: 4g)
  • Protein: 8g
  • Fat: 28g
  • Fiber: 3g
  • Sugars: 1g

Note: Nutritional values may vary slightly based on specific ingredients used.

Weight Watchers Points

  • Points: This recipe is typically 3 SmartPoints. Adjustments to ingredients can alter the points, so check specific brands for accuracy.