The Ultimate 5-Minute Indulgence
Say hello to your new favorite dessert fix: a rich, creamy tres leches mug cake that’s soft, fluffy, and completely irresistible. This microwaveable mini tres leches is the perfect single-serve treat for when you’re craving something indulgent but don’t want the hassle of baking a full cake. Packed with flavor, high in protein, and ready in just 10 minutes—what more could you ask for?

Why You’ll Love This Microwaveable Tres Leches Mug Cake
This easy 3 leches cake recipe starts with a simple 5-ingredient base, microwaves to perfection, and is then drenched in a luscious blend of sweetened dairy-free milk for that signature tres leches experience. Add a dollop of whipped cream and a handful of fresh strawberries on top, and you’ve got yourself a show-stopping dessert made right in your favorite mug.
The best part? You don’t need to be a baking pro to make this. It’s as easy as mixing, microwaving, and drizzling—talk about a foolproof recipe! Perfect for satisfying your sweet tooth, sneaking in a little extra protein (16g, to be exact), and enjoying guilt-free indulgence.
If you love classic tres leches cake but want a faster, lighter option, this tres leches mug microwave cake is calling your name. Soft, creamy, and oh-so-delicious, it’s a quick dessert that feels like a special occasion in every bite.
Macros Per Serving
162 Cal | 17g Carbs | 4g Fat | 16g Protein
Recipe Card
Tres Leches Mug Cake
Ingredients
Mug Cake:
- 15 g Oat Flour (H-E-B)
- 15 g Unflavored Whey Casein Egg White Powder (Naked Nutrition)
- Pinch of Salt
- ½ tsp Baking Powder
- ¼ tsp Baking Soda
- 1 tsp Vanilla Bean Paste (Nielsen Massey)
- 15 ml Sugar Free Syrup (Mrs Butterworths)
- 30 ml Unsweetened Protein Plant Milk (Good Karma)
Tres Leches Milk:
- 15 ml Unsweetened Protein Plant Milk (Good Karma)
- 15 ml Almond + Coconut Half & Half (Nutpods)
- 8 ml Sugar Free Syrup (Mrs Butterworths)
To Serve:
- 9 g Reduced Fat Whipped Topping (Cool Whip)
- 1-2 Strawberries (sliced)
Instructions
Mug Cake:
- In a bowl, mix together all your ingredients, starting with dry and ending with wet. Be sure to get any dry patches of flour mixed in.15 g (2 tbsp) Oat Flour, 15 g (2.5 tbsp) Unflavored Whey Casein Egg White Powder, Pinch of Salt, 1/2 tsp Baking Powder, 1/4 tsp Baking Soda, 1 tsp Vanilla Bean Paste, 15 ml (1 tbsp) Sugar Free Syrup, 30 ml (2 tbsp) Unsweetened Protein Plant Milk
- Grab your ramekin and spray the inside with oil to ensure it easy comes out. Wipe it down slightly and evenly spread it around.
- Pour out the batter and flatten it out evenly. Microwave for 50-60 seconds. Everyone’s microwave varies so check out it to see if the top looks cooked through.
Tres Leches Milk:
- Meanwhile, in a jar, mix together your sweetened milk ingredients until smooth and incorporated.15 ml (1 tbsp) Unsweetened Protein Plant Milk, 15 ml (1 tbsp) Almond + Coconut Half & Half, 8 ml (0.5 tbsp) Sugar Free Syrup
- Once your cake is ready, poke holes with a toothpick or chopstick. Pour in your mixture and let the cake soak it all up.
To Serve:
- Top with a spoonful of whipped cream and a sliced strawberry for that juicy bright flavor.9 g (1 tbsp) Reduced Fat Whipped Topping, 1-2 Strawberries
Nutrition Information
The Nutrition Facts above are specific to the ingredients I chose to use for this recipe.
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