Keto chocolate mug cake is a simple, tasty, and low-carb dessert that indulges your sweet tooth without booting you out of ketosis. If you’re a newbie to the keto diet or an old pro on low-carb, this recipe makes indulgence quick and easy and guilt-free. Think of a mocha-tasting, moist chocolate cake in minutes—with no flour, no sugar, and no baking necessary. Instead of processed foods, this recipe utilizes keto-friendly staples such as almond flour, cocoa powder, and erythritol, which all combine to create a warm and rich dessert.
The easiest part about this mug cake is how easy and quick it is—you’ll just need a microwave and a few staple pantry items. Ideal for late-night snack time or when you want a single-serving dessert without baking a whole cake, this mug cake is healthy and filling. And, it’s gluten-free, sugar-free, and packed with healthy fats to energize you. Whether you’re doing keto strictly or looking for a healthier dessert option, this keto chocolate mug cake is the answer every time.
Keto Chocolate Mug Cake Recipe
Let’s talk about the keto chocolate mug cake recipe—this simple dessert is fuss-free but high reward. You’ll only be dealing with a handful of ingredients, like almond flour, unsweetened cocoa powder, baking powder, a low-carb sweetener, and wet ingredients like egg, butter, and vanilla extract. These are mixed in a mug and cooked until done right in your microwave in a minute and a half! No fuss, no mess, and no oven necessary. Cooked, the cake is warm, a little soft, and chocolatey—ready to serve on its own or topped with a spoonful of whipped cream.
Keto Chocolate Mug Cake
Ingredients
Equipment
Method
- Take a microwave-safe mug and add almond flour, cocoa powder, erythritol, baking powder, and a pinch of salt (optional). Stir to combine.
- Crack in the egg, then add melted butter and vanilla extract. Mix well with a fork or small whisk until a smooth batter forms.
- Optional: Stir in a few sugar-free chocolate chips for extra richness.
- Microwave on high for 60–90 seconds. Check at the 60-second mark; if the center is still wet, microwave it for an additional 15–30 seconds.
- Let the cake rest for 2 minutes before eating.
- Enjoy or top with sugar-free whipped cream, nut butter, or berries!
Notes
- Use fine almond flour for a smoother texture.
- Don’t overcook—microwave in short intervals to avoid drying it out.
- Add a touch of cinnamon or espresso powder to enhance the chocolate flavor.
- Mix thoroughly to avoid eggy spots.
- Customize it with chopped nuts or extracts like mint or orange.
Keto Chocolate Mug Cake Nutrition
| Nutrient | Amount (per serving) |
| Calories | 290–310 kcal |
| Total Fat | 26g |
| Saturated Fat | 10g |
| Carbohydrates | 7g |
| Net Carbs | 3g |
| Fiber | 4g |
| Protein | 9g |
| Sugar | 1g (from natural cocoa) |
Frequently Asked Questions
Ques: Can I use coconut flour instead of almond flour?
Ans: Yes, but use only 1 tablespoon since coconut flour is more absorbent.
Ques: Can I bake this in the oven instead of a microwave?
Ans: Yes, bake at 350°F (175°C) for 10–12 minutes.
Ques: What sweetener works best for keto mug cakes?
Ans: Erythritol, monk fruit, or stevia blends work well.
Ques: Can I make this dairy-free?
Ans: Yes, substitute butter with coconut oil.
Ques: Why is my mug cake rubbery?
Ans: Overcooking or too much egg can make it rubbery—microwave in short bursts.
Hi, I’m Ereka Vetrini, the editor and voice behind KetoRecipesMom.com – a space dedicated to helping busy moms and families embrace the keto lifestyle with ease, confidence, and delicious food!
As a mom, home cook, and health-conscious foodie, I understand the daily challenge of preparing meals that are both nutritious and kid-approved. That’s why I started this blog—to share simple, family-friendly keto recipes that save time in the kitchen and make healthy eating truly enjoyable.