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I love a simple sweet treat that doesn’t derail my day — especially when a chocolate craving strikes. This healthy gluten-free mug cake checks all the boxes. It’s a deliciously light WW-friendly dessert you can mix together in minutes and cook right in the microwave (affiliate link) — no specialty ingredients or baking skills required.
After experimenting with shortcuts like my 3-2-1 Microwave Mug Cake, I was thrilled to find a homemade version that’s still incredibly fast, but made from basic pantry staples instead of boxed cake mix. Even better: it’s naturally gluten-free and uses no artificial sweeteners — a big win for those of us who avoid sucralose and other additives.
Rod even gave this one a thumbs-up, which is high praise from my resident chocolate lover.
Perfect for those moments when you want “just a little something” without the temptation of leftovers.
Why I Love This Recipe
- Naturally gluten-free
- No artificial sweeteners (Unfortunately, many artificial sweeteners don’t agree with me.)
- Ready in under 5 minutes
- Single-serve portion helps limit temptation
- Light yet satisfying chocolate flavor
- Higher protein vs. traditional mug cakes
- Pantry-friendly ingredients
Ingredients & Substitutions
- Powdered chocolate peanut butter — I used plain PB2 (affiliate link). A high protein, gluten-free alternative to flour. Almond flour would also work.
- Unsweetened cocoa powder — For rich chocolate flavor.
- Warm water — Helps dissolve powdered PB and cocoa and provide moisture to the cake.
- Egg white — Binds ingredients and adds protein.
- Canola oil — Adds tenderness. Use whatever neutral oil you prefer.
- Vanilla extract — Rounds out chocolate flavor.
- Agave nectar or golden syrup — Sweetens the cake. Honey or maple syrup would work too. I haven’t tried this with artificial sweetener.
- Baking powder — Helps create lift.
WW Points & Nutrition
- With just 148 calories, 6g fat, 15g carbs, 3g fiber and 9g protein, this little chocolate mug cake has a nutritional profile much better than your standard cake and tastes pretty darned good too!
- To see your WW Points for this recipe, track it in the WW App!
(You must be logged into WW on a smartphone or tablet.) - 4 PointsPlus (Old plan)
How to Make Gluten-Free Chocolate Mug Cake
Step 1 — Prep
Spray a microwave (affiliate link)-safe mug with nonstick spray.
Step 2 — Make Cake Batter
Stir together all ingredients until smooth.
Step 3 — Cook
Microwave 1 minute, or until set. Cool briefly before serving.
Serving Suggestions
Enjoy warm straight from the mug or try:
- Light whipped topping
- Fresh berries
- A drizzle of chocolate syrup
- Dusting of powdered sugar
- A spoonful of vanilla yogurt
Remember: toppings may increase WW Points.
If you’ve made this Microwave Chocolate Mug Cake, please give the recipe a star rating below and leave a comment letting me know how you liked it. And stay in touch on Pinterest, Facebook, Instagram and Twitter for the latest updates.
WW Healthy Microwave Mug Chocolate Cake Recipe
Equipment
Ingredients
- 2 tablespoons powdered chocolate peanut butter (I used plain)
- 1 tablespoon unsweetened cocoa powder
- 2 tablespoons warm water
- 1 egg white
- 1 teaspoon canola oil
- 1 teaspoon vanilla extract
- 1 teaspoon agave nectar (I used golden syrup)
- 1/4 teaspoon baking powder
Instructions
- Coat the inside of a 10 – 12 ounce microwave safe mug with cooking spray.
- In a small bowl (affiliate link) stir together all ingredients until smooth. Pour the mixture into the prepared mug.
- Microwave on high for 60 to 90 seconds or until done in the center.
- Serve warm. (Mine was done in 80 seconds. Time will vary depending on the wattage of your microwave.)
Notes
(Must be logged into WW on a smartphone or tablet.) 4 PointsPlus (Old plan) Enjoy it just as it is, or personalize your mug cake with toppings such as powdered sugar, sprinkles, whipped cream and/or sliced fruit. Just remember that adding certain toppings may increase the WW Points value.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Source: Slightly adapted from WW Freestyle Eat What You Love Booklet
More WW-Friendly Microwave Mug Desserts
If you liked this healthy chocolate mug cake, try:
- 3-2-1 Microwave Mug Cake – A WW classic made with two pantry staples — fluffy, fast, and great for portion control.
- Banana Cocoa Microwave Mug Pudding Cake – Warm and cozy with a naturally sweet (affiliate link) banana-chocolate combo.
- 4-Ingredient Mug Apple Pancake Puff – A lightly sweet, apple-spiced breakfast-or-dessert option made in minutes.
- Microwave Baked Apple – Tender, cinnamon-kissed apples without turning on the oven.
Delicious! I used coconut oil and erythritol sweetener.
I love this recipe! I make it for dessert at least once a week.
I mix flavored cake mix with angel food cake mix and store in air tight container.
To make single cake using large mug add 1/4 cup water with 1/3 cup of cake mixture. Using a small whisk stir well. Microwave on high for 55-60 seconds. Ta da!!!
I think this recipe runs closer to 180 calories if followed exactly as written.
I thought it was good! I substituted unsweetened applesauce (0) for the oil and added 10 Lily’s chocolate chips
This was really good! I substituted 1TB of xylitol for the agave nectar, and it was the perfect amount of sweetness. It really filled my craving for chocolate. Thank you!
I made this tonight. Ver6 good texture but not nearly sweet enough. I used maple syrup
surprisingly….VERY GOOD!!!!!
I used MCT oil and lite pancake syrup (didn’t have agave).
I made this last night for my after dinner treat. It tasted very good and I will make it again ~ very quick and easy. I was surprised that it was only about the size of a hockey puck given that the directions call for a larger size mug, but it was very tasty and fudgy. I wondered if I was supposed to reconstitute the chocolate powdered peanut butter prior to adding it with the other ingredients or if you just added the powder to the ingredients. Thank you.
Hi Kathleen, I just added the peanut butter powder to the mix. Hope this helps. – Martha
Im finding that premixed natural foods made of 100% fruits and vegetables are not calculated like fruits and vegetables. Why