Should you’ve ever needed a heat, fudgy brownie with out making a complete pan, this Sugar Free Flourless Excessive Protein Brownie Mug Cake is the proper answer. Made with easy components like Greek yogurt, cacao powder, an egg yolk, and darkish chocolate, this protein mug brownie is prepared in about one minute within the microwave. A satisfying heat brownie and with 8 grams of protein!

Why You’ll Love This Excessive Protein Brownie
Not like many protein mug cake recipes that depend on chocolate protein powder or almond flour, this protein mug cake recipe has a wealthy chocolate taste with none whey protein powder, flour, cottage cheese or added sugar.
The result’s a smooth, gooey heart with loads of chocolate taste to fulfill a chocolate yearning for a candy tooth whereas preserving carbs low and with 8 grams of protein.
- Prepared in about 1 minute utilizing the microwave brownie directions.
- Only a handful of easy components.
- Flourless, gluten free, sugar free, and low carb.
- Naturally excessive in protein due to Greek yogurt and an egg yolk.
- Wealthy chocolate taste with a fudgy brownie batter texture.
- No almond flour, coconut flour, or protein powder wanted.
- Excellent if you’re craving a candy deal with however don’t need leftovers tempting you.
- Additionally consists of oven and air fryer directions.
What Makes This Mug Brownie Totally different?
Years in the past I shared my Greatest Sugar Free Gluten Free Low Carb Keto Mug Brownie in my cookbook, The 30-Day Sugar Elimination Eating regimen. That recipe makes two servings and makes use of sunflower seed flour together with a number of extra pantry components.
After listening to from so many readers who needed one thing even simpler with much less dry components, I began experimenting with a single-serve brownie recipe utilizing fewer components. After a number of rounds of testing, I found that utilizing simply an egg yolk as an alternative of an entire egg created the wealthy, fudgy brownie texture I used to be on the lookout for.
The result’s this Sugar Free Flourless Excessive Protein Brownie Mug Cake. It’s made with minimal components, has an extremely gooey heart, and it’s a fast repair to fulfill a chocolate craving in minutes.

Ingredient Notes
You solely want a number of pantry staples:
Recipe Suggestions for 1 Minute Protein Brownie
- Microwave strengths differ, so start checking round 45 seconds.
- The highest ought to look set whereas the middle stays barely smooth.
- Permit the brownie to relaxation for two to three minutes after cooking. It continues cooking because it cools, providing you with the proper gooey brownie texture.
- Overcooking is the largest purpose mug desserts grow to be dry or rubbery.

Straightforward Ingredient Swaps
Must customise this recipe? Listed here are a number of easy substitutions.
Dairy-Free
Substitute the Greek yogurt along with your favourite unsweetened dairy-free yogurt. Unsweetened coconut yogurt or almond milk yogurt each work effectively. Be mindful the protein content material shall be decrease.
Sweetener
Any liquid sugar-free sweetener can be utilized, together with liquid monk fruit or liquid allulose. Modify to your most popular sweetness.
Cocoa Powder
Pure cocoa powder might be substituted for cacao powder if that’s what you’ve gotten available. Cacao powder merely supplies a barely richer chocolate taste.
Chocolate
The chopped 85% darkish chocolate or greater is elective, however extremely really useful in case you love pockets of melted chocolate. It’s also possible to use your favourite sugar-free chocolate bar.

Ceaselessly Requested Questions
Can I make this forward of time?
This recipe is greatest loved heat instantly after cooking whereas the middle continues to be smooth and fudgy.
Why solely use the egg yolk?
The yolk provides richness and helps create a moist, fudgy brownie. Utilizing a complete egg could make small mug desserts barely extra cake-like and fewer dense.
Can I exploit protein powder?
I don’t advocate it for this recipe. Protein powder absorbs a variety of moisture and modifications the feel. This recipe will get its protein naturally from the Greek yogurt and egg yolk.
Can I bake this as an alternative of microwaving?
Sure! I’ve included microwave, oven, and air fryer directions so you’ll be able to select whichever cooking methodology you favor.
Extra Single-Serve Desserts You’ll Love
Should you love straightforward desserts and chocolate-y treats made with healthful components which can be single-serve recipes, make sure you take a look at these favorites:

Sugar Free Chocolate Protein Mug Cake
Sugar Free Flourless Excessive Protein Brownie Mug Cake
This straightforward Excessive Protein Brownie Mug Cake is flourless, gluten free, sugar free, and low carb. Made with Greek yogurt, wealthy cacao, and darkish chocolate, it’s a single-serving dessert that’s prepared in about one minute.
Servings: 1 serving
Energy: 106kcal
Stop your display from going to sleep
Microwave Directions
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Frivolously grease an 8-ounce microwave-safe ramekin or mug.
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Whisk the egg yolk and Greek yogurt till clean.
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Stir within the cacao powder, vanilla, vanilla stevia, and sea salt till effectively mixed.
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Fold within the chopped darkish chocolate, if utilizing.
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Microwave for 45–60 seconds. The perimeters ought to be set whereas the middle stays barely smooth.
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Let the brownie relaxation for 2–3 minutes earlier than having fun with. It should proceed to set because it cools.
Oven Directions
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Preheat the oven to 350°F .
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Put together the batter as directed above.
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Pour right into a frivolously greased 8-ounce oven-safe ramekin.
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Bake for 8–10 minutes, till the sides are set and the middle continues to be barely smooth.
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Let cool for five minutes earlier than serving.
Air Fryer Directions
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Preheat the air fryer to 325°F.
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Grease an 8-ounce oven-safe ramekin.
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Put together the batter and pour it into the ramekin.
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Air fry for 7–9 minutes, till the sides are set however the heart continues to be barely smooth.
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Let it relaxation for 5 minutes earlier than serving. It should proceed to set and grow to be fudgy because it cools.
- The egg yolk creates a richer, extra brownie-like texture than a complete egg.
- Don’t overbake. This dessert is greatest when the middle continues to be fudgy.
Serving: 1serving | Energy: 106kcal | Carbohydrates: 8g | Protein: 8g | Fats: 6g | Saturated Fats: 3g | Polyunsaturated Fats: 1g | Monounsaturated Fats: 2g | Ldl cholesterol: 185mg | Sodium: 23mg | Potassium: 173mg | Fiber: 4g | Sugar: 2g | Vitamin A: 263IU | Calcium: 70mg | Iron: 2mg
