This single-serving dessert is made in a mug and cooked in the microwave, so no oven or fuss required. It combines keto staples like almond flour and erythritol with instant coffee or espresso powder to give that bold coffee kick you crave. The addition of butter and egg keeps it rich and moist, while a touch of vanilla and cinnamon adds warmth and depth. It’s perfect for satisfying your sweet tooth after a meal or as an afternoon treat with your favorite cup of coffee.

Because it’s quick, you can enjoy it anytime cravings strike without breaking ketosis or spending much time in the kitchen. Plus, the portion control is built-in—just one mug-sized cake to enjoy!

2-Minute Keto Coffee Mug Cake Recipe

Ingredients:

• 3 tbsp almond flour

• 1 tbsp erythritol or preferred keto sweetener

• 1 tsp instant coffee or espresso powder

• 1 large egg

• 1 tbsp butter, melted

• ½ tsp vanilla extract

• Optional: pinch of cinnamon or cocoa powder

Instructions:

1. In a microwave-safe mug, whisk together the almond flour, erythritol, and instant coffee powder.

2. Add the egg, melted butter, and vanilla extract; mix until smooth and well combined.

3. Microwave on high for 60–90 seconds, or until the cake has risen and is set but still moist (microwave times may vary).

4. Let cool for 1 minute before enjoying directly from the mug.

Optional Toppings

• A dollop of whipped heavy cream or keto-friendly whipped topping

• A sprinkle of cocoa powder or cinnamon

• Sugar-free chocolate chips melted on top