Low-Carb Vanilla Mug Cake Recipe

Once you have a recipe for the best keto vanilla mug cake, you’re off to the races on your mug cake journey. A low-carb vanilla mug cake is excellent to act as a base for all other flavors.

This easy vanilla mug cake is ready in about 5 minutes and only 5g net carbs. Add your choice of toppings, mix-ins, and experiment with flavors using this vanilla mug cake recipe.

Vanilla mug cake with whipped cream next to a gold fork.

Table of Contents

Low-Carb Microwave Vanilla Cake

After years on the keto diet, I still crave cake. Although it’s no longer that monstrous hangry craving of the past, cake is often on my mind as a favorite treat.

I find that I long for the texture of cake even more than the flavor. A good low-carb vanilla cake for one recipe is just what I need to allow myself dessert without all the guilt.

Not that anyone should feel guilty for treating themselves. For me, it’s more about avoiding the full body meltdown after I eat sugar. Only a slight exaggeration!

Ingredients for low-carb vanilla mug cake.

Keto Vanilla Mug Cake Ingredients

(Exact measurements are in the recipe card)

Almond flour
Coconut flour
Erythritol
Baking powder
Melted butter
Low-carb milk
Egg
Vanilla extract

Easy Vanilla Mug Cake Directions

In a microwave-safe mug, mix the almond flour, coconut flour, baking powder, and sweetener until well incorporated.

Add the melted butter, egg, milk, and vanilla extract. Stir until smooth.

Overhead shot of vanilla mug cake next to ingredients.

Microwave for 90 seconds or until the top is opaque and cooked through.

Keto vanilla mug cake topped with whipped cream by a green napkin.

Top with whipped topping if you choose and serve.

Overhead shot of a vanilla mug cake with whipped cream.

Vanilla Mug Treat Recipe Tips & FAQ

How to mix the mug cake properly.

Do not over mix. Combine the ingredients so they are well incorporated. There is no need to keep mixing after the ingredients are combined.

Fork full of vanilla cake with whipped cream.

Don’t let the cake batter sit too long.

Do not let the batter sit for too long. Coconut flour absorbs moisture and will keep doing so the longer it sits. The beauty of a 5-minute mug cake is to make it quickly, so do that! 😉

Gold fork in a vanilla mug cake with whipped cream on a table with green napkin.

Watch out for that hot fork!

Hot poker alert! If you let the fork sit in the mug cake too long while it’s hot, the fork turns into a branding iron. Yes, I’ve clearly done this way too many times! Always test the temperature before you dig in.

What are good toppings for a vanilla mug cake?

Use a keto friendly whipped topping or whip up your own using heavy cream or coconut milk. Here are recipes for low-carb whipped cream and keto chocolate whipped cream.

Low-carb vanilla mug cake next to a gold fork and glass of milk.

What are the best low-carb add-ins for mug cake?

This keto vanilla mug cake is delicious as is, but if you want to add some flavor and crunch, here are some ideas. Keep in mind that everything you add will alter the nutrition facts.

Low-carb baking chips (there are a lot of flavors now!)
Coconut confetti sprinkles
Keto sprinkles
Nuts
Pieces of keto candy

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