Description

This single-serving keto mug brownie is the perfect answer to a sudden craving. It’s rich, fudgy, and ready in under two minutes. We’ve balanced this recipe to be perfectly diabetic-friendly, using almond flour and a non-nutritive sweetener to keep net carbs incredibly low. The addition of instant espresso and a hint of cinnamon creates a deep, complex mocha-spice flavor that makes this simple treat feel truly decadent.

Ingredients

Scale

1/4 cup blanched almond flour
2 tbsp granulated allulose (or erythritol sweetener)
1 tbsp unsweetened cacao powder
1/4 tsp sodium-free baking powder
1/4 tsp instant espresso powder
1/4 tsp ground cinnamon
1/8 tsp salt
1 tbsp avocado oil
1 large egg yolk
1/2 tsp vanilla extract

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Instructions

Combine Dry Ingredients: In a 10 to 12-ounce (300-350ml) microwave-safe mug, add the almond flour, sweetener, cacao powder, sodium-free baking powder, instant espresso powder, cinnamon, and salt. Use a fork to whisk these ingredients together thoroughly, breaking up any clumps.
Add Wet Ingredients: Add the avocado oil, egg yolk, and vanilla extract directly into the mug with the dry ingredients.
Mix Batter: Whisk vigorously with the fork until a smooth, thick, and glossy batter forms. Scrape the sides and bottom of the mug to ensure everything is fully incorporated.
Microwave: Place the mug in the center of your microwave. Cook on high power for 75-90 seconds. The brownie will puff up and should be just firm to the touch on top. Be careful not to overcook, as it will continue to set as it cools.
Serve: Let the brownie cool for 1-2 minutes (it will be extremely hot). Enjoy directly from the mug.

Notes

Diabetic-Friendly Note: This brownie is a fantastic option for blood sugar management, boasting very low net carbs and a healthy dose of fiber from almond flour and cacao to help prevent glucose spikes. It is a rich, energy-dense treat that is highly satisfying. Tip: Because this dessert is filling and high in fats, it works best as a standalone snack to curb cravings, or paired with a light, veggie-based meal rather than a heavy dinner to maintain a healthy daily balance.

Nutrition Facts

Serving Size: 1 mug brownie (approx. 94g)
Calories: 364
Total Fat: 34.3g
Saturated Fat: 5.1g
Sodium: 305mg
Total Carbohydrates: 10.4g
Dietary Fiber: 6.2g
Total Sugars: 1.6g
Added Sugars: 0g
Protein: 9.8g
Net Carbohydrates: 4.2g

Nutrition

Calories: 364