Last Updated on July 16, 2026 by Rita
Low Calorie Brownie Mug Cake is a rich, fudgy chocolate dessert that cooks in the microwave in just a few minutes while keeping calories low. If you’re looking for a single-serving microwave brownie with a soft, gooey center that fits a healthier lifestyle, this recipe delivers exactly that. I love making this Low Calorie Brownie Cake whenever I want a quick chocolate fix without baking an entire pan. It satisfies dessert cravings, comes together with simple pantry ingredients, and helps with portion control. For another delicious healthy microwave dessert, try Healthy Mug Cake.
Table of Contents
Table of Contents
Ingredients You’ll Need for Low Calorie Brownie Mug Cake
Making a Low Calorie Brownie Mug Cake only takes six simple ingredients that work together to create a rich chocolate flavor and a soft, fudgy texture without butter or oil. Every ingredient has a purpose, and you probably already have most of them in your kitchen. The best part is that this Low Calorie Brownie Mug Cake comes together in just a few minutes, making it an easy dessert whenever a chocolate craving hits.
- Plain (all-purpose) flour – Gives the brownie structure and a tender crumb. Gluten-free all-purpose flour or oat flour also work well.
- Unsweetened cocoa powder – Provides an intense chocolate flavor without added sugar, helping keep the calories low.
- Stevia or 0-calorie granulated sweetener – Adds sweetness without extra calories. Any granulated zero-calorie sweetener can be used.
- Full-fat yogurt – Replaces butter and oil while keeping the brownie moist, rich, and fudgy. Use dairy-free yogurt for a vegan option.
- Vanilla extract – Enhances the chocolate flavor and adds extra depth. It is optional but recommended.
- Chocolate chips – Add delicious pockets of melted chocolate. Sugar-free or vegan chocolate chips both work well.
| Ingredient | Purpose | Substitute |
|---|---|---|
| Plain flour | Creates structure | Gluten-free flour or oat flour |
| Unsweetened cocoa powder | Rich chocolate flavor | Dutch-process cocoa |
| 0-calorie sweetener | Sweetness without calories | Any granulated zero-calorie sweetener |
| Full-fat yogurt | Moisture and fudgy texture | Dairy-free yogurt |
| Vanilla extract | Enhances flavor | Optional |
| Chocolate chips | Gooey chocolate pockets | Sugar-free or vegan chocolate chips |
If you enjoy healthier single-serving desserts, you’ll also love Low Calorie Mug Cake for another quick microwave treat.
How to Make Low Calorie Brownie Mug Cake (4 Easy Steps)
Making a Low Calorie Brownie Mug Cake takes only a few minutes from start to finish. Simply mix the ingredients, microwave the batter, and enjoy a warm, fudgy brownie without turning on the oven. Follow these easy steps for the best texture every time.
Step 1 – Mix the Dry Ingredients
In a medium bowl, whisk together the plain flour, unsweetened cocoa powder, and the 0-calorie granulated sweetener until everything is evenly combined.
Step 2 – Add the Wet Ingredients
Add the full-fat yogurt and vanilla extract to the dry mixture. Stir until you have a smooth batter with no dry pockets. Fold the chocolate chips into the batter using a rubber spatula.
Step 3 – Microwave the Brownie
Transfer the batter to a microwave-safe mug or a small 9 cm (3½-inch) ramekin lined with parchment paper if you want easy removal. Microwave for 1 to 2 minutes, depending on your microwave’s power. In a 700W microwave, the brownie takes about 2 minutes and 30 seconds. After the first minute, insert a toothpick into the center. If it comes out very wet, microwave for another 30 seconds and check again until only a few moist crumbs remain.
Step 4 – Cool and Enjoy
Let the Low Calorie Brownie Mug Cake cool for 1 to 2 minutes before serving. This short cooling time helps the brownie finish setting while keeping the center rich, soft, and fudgy.
If you love quick chocolate desserts, you’ll also enjoy 1 Minute Microwave Brownie in a Mug for another fast and satisfying treat.
Tools for Making Low Calorie Brownie Mug Cake
You only need a few basic kitchen tools to make this Low Calorie Brownie Mug Cake. Since everything comes together in just a few minutes, cleanup is quick and easy too.
- Microwave-safe mug or small ramekin – Use a large microwave-safe mug or a 9 cm (3½-inch) ramekin to prevent the batter from overflowing while it cooks.
- Medium mixing bowl – Makes it easy to combine the ingredients evenly before transferring the batter.
- Small whisk or fork – Whisks the batter until smooth without overmixing.
- Rubber spatula – Folds the chocolate chips into the batter and helps scrape every bit into the mug or ramekin.
- Measuring spoons – Ensure accurate measurements for the best texture and flavor.
- Toothpick – Checks for doneness after microwaving. The brownie is ready when the toothpick comes out with a few moist crumbs instead of wet batter.
If you enjoy easy microwave desserts with minimal equipment, don’t miss Healthy Mug Cake for another quick single-serving favorite.
Cozy Tips & Smart Variations for Low Calorie Brownie Mug Cake
One of my favorite things about this Low Calorie Brownie Mug Cake is how easy it is to customize. With a few simple swaps or additions, you can enjoy a slightly different version every time while keeping the recipe quick and satisfying.
- Use gluten-free all-purpose flour or oat flour if you need a gluten-free brownie.
- Swap the full-fat yogurt for your favorite plant-based yogurt to make the recipe dairy-free and vegan.
- Choose sugar-free chocolate chips to reduce the sugar even more.
- Add a pinch of espresso powder to make the chocolate flavor richer without adding noticeable coffee taste.
- Sprinkle a little flaky sea salt on top after cooking for a sweet-and-salty finish.
- Cook for the shorter time if you prefer an extra gooey center, or microwave a little longer for a firmer brownie.
- Let the brownie cool for 1–2 minutes before eating so it finishes setting and develops its fudgy texture.
For another healthier chocolate dessert, I also recommend Sugar Free Chocolate Mug Cake when you want an easy microwave treat with no added sugar.
Why You’ll Love Low Calorie Brownie Mug Cake
There are plenty of reasons to make this Low Calorie Brownie Mug Cake again and again. It delivers rich chocolate flavor, a soft fudgy texture, and the convenience of a single serving, making it perfect whenever you want dessert without baking a full batch.
- Ready in about 4 minutes from start to finish.
- Makes one perfectly portioned serving, helping you avoid overeating.
- Contains only 120 calories per serving.
- Rich, chocolaty, and wonderfully fudgy.
- Made with just six simple ingredients.
- Uses no butter or oil, thanks to creamy yogurt.
- Easy to adapt for gluten-free, dairy-free, or vegan diets.
- Perfect for satisfying chocolate cravings while staying on track with your goals.
- Great for an afternoon snack, quick dessert, or late-night treat.
- Requires only a microwave and a few basic kitchen tools.
If you enjoy healthier chocolate desserts, you’ll also love Healthy Mug Cake Greek Yogurt for another easy, protein-rich microwave recipe.
Frequently Asked Questions About Low Calorie Brownie Mug Cake
Is a Low Calorie Brownie Mug Cake healthy?
Yes. A Low Calorie Brownie Mug Cake is a lighter dessert option because it uses yogurt instead of butter or oil and a 0-calorie sweetener instead of regular sugar. It also makes a single serving, which helps with portion control.
How many calories are in a Low Calorie Brownie Mug Cake?
This recipe contains approximately 120 calories per serving. The exact nutrition may vary depending on the yogurt, sweetener, and chocolate chips you choose.
Can I make a Low Calorie Brownie Mug Cake without butter?
Absolutely. This recipe does not use butter or oil. Full-fat yogurt provides the moisture needed for a rich, soft, and fudgy brownie.
Can I use yogurt instead of oil in a brownie mug cake?
Yes. Yogurt is an excellent substitute for oil because it keeps the brownie moist while reducing the overall calorie content. It also creates a tender texture without making the brownie greasy.
For more quick chocolate inspiration, check out Easy Brownie Mug Recipe and discover another delicious microwave brownie you can enjoy in minutes.
Final Thoughts on Low Calorie Brownie Mug Cake
Whenever I want a quick chocolate dessert without making a full batch of brownies, this Low Calorie Brownie Mug Cake is my first choice. It combines simple pantry ingredients with a rich, fudgy texture and cooks in just a few minutes. Because it makes only one serving, it’s perfect for satisfying a sweet craving while keeping portions under control. You can also customize it with gluten-free flour, dairy-free yogurt, or sugar-free chocolate chips to suit your needs. If you’re looking for an easy, delicious, and lighter dessert, this recipe deserves a spot in your regular rotation.
If you’re craving another rich chocolate dessert, be sure to try One Minute Brownie Mug Cake for another fast microwave favorite.
Print
Low Calorie Brownie Mug Cake
This Low Calorie Brownie Mug Cake is a rich, fudgy single-serving chocolate dessert made with yogurt instead of butter or oil. It comes together in just 4 minutes, contains only 120 calories, and is perfect when you want a quick healthier chocolate treat.
- Total Time: 4 minutes
- Yield: 1 serving 1x
Ingredients
Instructions
1. In a medium bowl, whisk together the flour, cocoa powder, and 0-calorie sweetener.
2. Add the yogurt and vanilla extract and stir until smooth. Fold in the chocolate chips.
3. Transfer the batter to a microwave-safe mug or a 9 cm ramekin lined with parchment paper.
4. Microwave for 1–2 minutes depending on your microwave. A 700W microwave takes about 2 minutes 30 seconds. After the first minute, check with a toothpick and continue cooking in 30-second intervals until only a few moist crumbs remain.
5. Let the brownie cool for 1–2 minutes before serving.
Notes
Use gluten-free flour or oat flour for a gluten-free version.
Use dairy-free yogurt for a vegan version.
Swap regular chocolate chips for sugar-free chocolate chips if desired.
Do not overcook to keep the brownie soft and fudgy.
- Prep Time: 2 minutes
- Cook Time: 2 minutes
- Category: Healthy Mug Cakes
- Method: Microwave
- Cuisine: American
- Diet: Low Calorie
Nutrition
- Serving Size: 1 brownie
- Calories: 120
- Sugar: 4 g
- Sodium: 28 mg
- Fat: 5 g
- Saturated Fat: 3 g
- Unsaturated Fat: 2 g
- Trans Fat: 0 g
- Carbohydrates: 16 g
- Fiber: 4 g
- Protein: 6 g
- Cholesterol: 6 mg
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