The viral dot cake gets a protein-packed makeover. This Protein Dot Cake is a healthier, single-serve take on the internet-famous treat, made with simple pantry ingredients and boosted with protein to help keep you satisfied.
Perfectly portioned for one, this mug-style cake lets you enjoy a sweet treat without baking a full cake. It comes together in minutes and is ideal as a high-protein dessert, an afternoon pick-me-up, or a fun way to hit your protein goals while indulging your sweet tooth.
If you enjoy viral recipes, try out other favorites from the same collection for more quick single-serve desserts and easy comfort sweets.
Table Talk with Tawnie
I’ve been experimenting with healthier sweet treats, and I couldn’t resist turning the viral dot cake into a better-for-you version. I love that this is a single serving—no leftover cake—and that it’s higher in protein thanks to quality ingredients. A cake batter–flavored protein powder gives a true birthday-cake vibe, but vanilla works well too. I hope you love it!
Ingredient Notes
(Full recipe in the recipe card below)
- Flour: A mix of oat flour and almond flour gives a tender texture and adds fiber and healthy fats. If you don’t have oat flour, blend rolled oats until fine.
- Protein powder: Cake batter protein powder delivers the classic birthday-cake flavor; vanilla works too. Different powders absorb liquid differently, so adjust milk to get a smooth batter.
- Milk: Any milk is fine—dairy adds extra protein while oat or almond milk are good dairy-free choices.
- Nonfat Greek yogurt: The base for the high-protein frosting. It adds creaminess and protein; mixing the frosting in the yogurt container saves dishes.
- Cool Whip: Be sure it’s fully thawed before folding into the frosting for a light, fluffy texture without heavy buttercream.
Step by Step Directions
(Full step-by-step instructions in the recipe card below)
Mix cake batter
In a microwave-safe mug, whisk the dry ingredients together, then add wet ingredients and stir until smooth.
Cook + cool cake
Microwave 60 seconds, then in 15-second intervals until set. Invert onto a plate, slice horizontally into two layers, and let cool completely before frosting.
Make frosting
Stir Greek yogurt, Cool Whip, vanilla, sweetener, and optional protein powder until smooth.
Assemble
Layer cake, spread half the frosting, add the second layer, then cover the top and sides with remaining frosting.
Decorate & enjoy!
Finish with rainbow nonpareils or your favorite topping. Serve and enjoy immediately.
Expert Tips
- Flavor: Cake batter protein powder gives the most authentic birthday-cake flavor; vanilla or other flavors can substitute if needed.
- Watch the microwave: Microwaves vary—start at 60 seconds and add short bursts to avoid drying the cake.
- Cool before frosting: Let the cake cool fully so the frosting doesn’t melt; pop it in the freezer briefly to speed this up.
- Save dishes: Mix frosting in the 5 oz. yogurt container to minimize cleanup.
Variations / Substitutions
- Different protein powder: Try vanilla, sugar cookie, or chocolate protein powder for new flavor variations.
- Dairy-free: Use almond or oat milk and a dairy-free yogurt and whipped topping.
- Gluten-free: Use certified gluten-free oat flour and verify all other ingredients.
- Toppings: Swap sprinkles for mini chocolate chips, crushed cookies, or fresh berries.
- Chocolate version: Replace a tablespoon of flour with cocoa powder and use chocolate protein powder.
Use my Moist Yellow Sheet Cake!
If you prefer to make a full-size cake or serve more than one, try a classic sheet cake with buttercream frosting.
get the recipe
Storage / Freezing
- This cake is best fresh for the softest texture.
- Refrigerator: If you have leftovers, cover tightly and refrigerate up to 2 days. Let sit at room temperature 10–15 minutes before serving for best texture.
- Make ahead: Frosting can be made up to 2 days in advance and stored airtight in the fridge.
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Cake Batter Protein Powder
vanilla extract
Rainbow nonpareils
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Before You Begin! If you make this, please leave a review and rating to let us know how it went — your feedback helps keep recipes coming.
Protein Dot Cake
Ingredients
For the Mug Cake
- 1/4 cup oat flour
- 1 Tbsp almond flour
- 2 Tbsp cake batter or vanilla protein powder
- 1 Tbsp brown sugar (or sweetener of choice)
- Pinch of salt
- 1/2 tsp baking powder
- 1/4 cup milk (dairy or plant-based)
- 1 egg white
- 1 tsp melted coconut oil
- 1/2 tsp vanilla extract
For the Frosting
- 1 (5 oz) container plain Greek yogurt
- 2–3 Tbsp Cool Whip
- Splash vanilla extract
- Honey or maple syrup, to taste
- 1 Tbsp protein powder (optional)
For Topping
- Rainbow nonpareils or sprinkles
Last step! If you make this, please leave a review and rating to let us know how it turned out.
Instructions
- Mix the dry ingredients: In a microwave-safe mug, whisk together oat flour, almond flour, protein powder, brown sugar, salt, and baking powder.
- Add wet ingredients: Stir in milk, egg white, melted coconut oil, and vanilla until smooth and no dry streaks remain.
- Microwave: Microwave 60 seconds, then continue in 15-second bursts until set and not wet on top (about 90 seconds total depending on your microwave). Do not overcook.
- Cool and slice: After a few minutes, invert the mug cake onto a plate and slice horizontally to make two layers. Cool completely before frosting; freeze briefly to speed cooling if desired.
- Make the frosting: Stir Greek yogurt, Cool Whip, vanilla, sweetener, and optional protein powder. Adjust sweetness to taste. For fewer dishes, mix directly in the yogurt container.
- Assemble: Place one cake layer in a small dish, spread half the frosting, top with the second layer, and cover with remaining frosting.
- Decorate & enjoy: Coat with rainbow nonpareils and dig in.
Notes
- Cake batter protein powder offers the most “birthday cake” flavor.
- Microwave times vary—start checking at 60 seconds and proceed in short intervals.
- Cool the cake completely before frosting to prevent melting.
- Macros are estimates: calories ~390, protein ~35–40 g, carbs ~28 g, fat ~12 g.
Nutrition Information
Serving: 1 cake — Calories: 390 kcal; Carbohydrates: 28 g; Protein: 40 g; Fat: 12 g; Sugar: 32 g. Nutritional details are estimates and can vary by ingredient brands and substitutions.
Nutritional information is an estimate and should be used as a guideline only.
📸 Photography by Creating Kaitlin