Chocolate Mug Cake Recipe - Dr. Axe

Chocolate Mug Cake: Valentine’s Day Last-Minute Special

Chocolate mug cake recipe - Dr. Axe

We’ve all seen the trend of making desserts in a mug, right? The idea is to whip up an easy, decadent single-serving of cake in just minutes, typically with the help of a microwave. My chocolate cake in a mug will bring the same joy and satisfaction as those other mug cakes, but with some upgraded ingredients.

What Is a Mug Cake?

Cakes in a mug have spiked in popularity the last several years, thanks to food bloggers on the internet. Who doesn’t love having a quick option for post-dinner dessert? (Such as for Valentine’s Day!)

The problem with many of these chocolate mug cakes is the list of ingredients in them. Refined flour, addictive sugar and conventional dairy are at the top of the list. Some mug cakes even call for highly refined vegetable oils, which typically are rancid since they have been exposed to light and air while being processed.

When we make this chocolate cake in a mug, we actually bake it in the oven. Using an oven allows the cake to bake evenly without heating the ingredients up too quickly. Although it would be quicker to use a use a microwave for this chocolate mug cake, the quality of your ingredients will stay intact using an oven.

For the Gluten-Free Baker

This recipe is perfect for the gluten-free baker who always has ingredients on hand. Since this chocolate cake in a mug is for one, you’ll only need a little bit of each ingredient to make this mug cake come together. No need to run out to the grocery store to get a whole bag of cassava flour (although with this moist chocolate cake recipe, it would totally be worth it)!


Chocolate Cake in a Mug - Dr. Axe

How to Make Chocolate Mug Cake

You’ll start with part of a dark chocolate bar, with a minimum of 70 percent cacao. Cacao is rich in magnesium and antioxidants, so the darker the chocolate bar, the better. Melt the chocolate bar pieces with a tablespoon of grass-fed butter. If you want to keep it dairy free, substitute with coconut oil.

Add the melted chocolate mixture to a mug, or in a mixing bowl if you plan on doubling or tripling this mug cake recipe. Next comes coconut flour, which is a healthy gluten-free flour high in fiber. Add in cassava flour, which is another great gluten-free flour. It’s highly versatile, a great replacement for wheat flour and free of grains.

We then add a little bit of baking powder and sea salt, as well as a pastured egg.

Chocolate Cake in a Mug - Dr. Axe

Since we used an oven to make the chocolate mug cake, we preheated an oven-safe mug as the oven was preheating. Carefully remove the mug from oven and pour in the chocolate cake mixture.

Place mug or mugs onto a baking sheet, and put back into the oven. Bake the mug cake for 10–12 minutes, or until a toothpick comes out clean. Your mug will be hot, so be careful as you dive into this delightful chocolate cake in a mug.


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Chocolate mug cake

Chocolate Mug Cake Recipe

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  • Author: Dr. Josh Axe
  • Total Time: 22 minutes
  • Yield: 2 1x
  • Diet: Gluten Free


The idea of a chocolate mug cake is to whip up an easy, decadent single-serving of cake in just minutes, typically with the help of a microwave. Here’s a healthier version but done in an oven. Much better all around!


  • ¼ cup dark chocolate (minimum 70% cacao), chopped
  • 2 tablespoons grass-fed butter or coconut oil
  • 2 tablespoons coconut flour
  • ¼ cup cassava flour (brown rice flour is a good substitute)
  • ⅛ teaspoon baking powder
  • pinch of sea salt
  • 2 eggs


  1. Preheat oven to 350 F.
  2. Place oven-safe mugs in the oven while preheating.
  3. In a small sauce pan, melt dark chocolate and butter.
  4. Pour chocolate mixture in a small mixing bowl.
  5. Add in coconut flour, cassava flour, baking powder, sea salt and egg and whisk until well combined.
  6. Carefully remove mug from the oven and pour mixture into the mug. Place back in the oven.
  7. Bake for 10–12 minutes, or until a toothpick inserted comes out clean.
  8. Top with coconut whipped cream, if desired.
  • Prep Time: 10
  • Cook Time: 12
  • Category: Desserts
  • Method: Baking
  • Cuisine: American


  • Serving Size: 1 serving (128 g)
  • Calories: 426
  • Sugar: 8.3 g
  • Sodium: 367 mg
  • Fat: 32.6 g
  • Saturated Fat: 19.8 g
  • Unsaturated Fat: 10.1 g
  • Trans Fat: 0.5 g
  • Carbohydrates: 25.6 g
  • Fiber: 4.8 g
  • Protein: 8.7 g
  • Cholesterol: 195 mg

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