Grinch Mug Cake

This Grinch Mug Cake will make your heart grow three sizes when you eat it. It’s so simple and easy, and the tender cake is colored green, topped with whipped cream, and sprinkled with red candy hearts.

grinch mug cake on a wooden cutting board

Christmas is coming, you know it’s true, and you want cake, but what to do? We have a treat you’ll surely love – a green cake made inside a mug! Follow the steps, it’s so easy to do, and you’ll have a Grinch cake for 1 or 2!

This Grinch Mug Cake is so cute, and it’s so easy to make, you can have it done in no time.  If you’re needing a little Holiday Cheer, this will do it! 

This would be fabulous to serve young and old alike, while you’re watching any of the Grinch films.  It would make a special evening for little ones even more fun, and festive!

birds eye image of a grinch mug cake on a wooden cutting board

❤️ Why You’ll Love This Recipe

  • This cake is so incredibly simple to make, and it’s ready in less than 10 minutes.
  • The cake is tender, moist, and so delicious.
  • The green cake and red heart sprinkles perfectly capture the Grinchy vibe.


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It only takes a handful of simple ingredients to make this easy cake. You’ll find them all easily at your local grocery store. Below, you’ll see the main ingredients for this cake, but you’ll find the complete list along with amounts in the recipe card at the end of the post.

  • Milk
  • Oil
  • Lime green food coloring gel
  • Vanilla extract
  • Whipped cream
  • Red Grinch hearts

🔪 How to Make Grinch Mug Cake

Making this recipe is just about the easiest thing you’ll ever do. It’s basically a matter of mixing and microwaving. That’s about all there is to it!

green food coloring being stirred into a coffee cup

Step 1: Combine the Cake Ingredients

Add milk, oil, flour, sugar, baking powder, vanilla extract, and food coloring to a 12-ounce microwave-safe mug and stir well to combine.

batter cooked in a coffee cup

Step 2: Microwave

Microwave the batter for 1 minute. Remove the mug and check the cake. If it’s a little jiggly, looks very shiny, or is still a bit runny, microwave it for another 10 seconds. Then, remove the cake from the microwave and let it stand for a couple of minutes to cool slightly.

Step 3: Decorate and Serve

Top with whipped cream and red Grinch hearts. Serve and enjoy!


Do you want to change up this recipe and make it your own? Here are some ways that you can do that!

  • Any Whipped Cream – You can use any brand of canned whipped cream or whipped cream in a tub.
  • Red Sprinkles If you can’t find red hearts, use any red sprinkles for this recipe.

If you love the look of this mug cake, then check out these Grinch cookies.

🥄 Equipment

It takes next to nothing to make this mug cake.

  • 12-ounce mug
  • Measuring spoons
  • Fork
spoonful of grinch mug cake held in the air

🥫 Storage

This recipe makes 1 individual mug cake. If you plan to make several for guests, you can make them up to a day ahead of time. Cover the undecorated mug cakes with plastic wrap and store them in a cool dry place until ready to serve them.

If you made several of these, and you need to store leftovers, wrap the top of the mugs in plastic wrap and refrigerate for up to 2 days.

💭 Tips

This recipe is so easy that we only have 1 tip for you. The recipe is just that simple.

  • Microwaves vary in power, so if your cake isn’t done after one minute, just keep microwaving at 10-second intervals until firm and a toothpick inserted into the center comes out clean.

⁉️ FAQ

Do you have questions about this recipe? Here are the answers to the most commonly asked questions.

What is a mug cake?

Mug cakes are literally cakes that are made in mugs. The cakes use the same ingredients as standard cake batter.

Who invented mug cakes?

No one knows for sure. A YouTube video released in 2009 made it an instantly popular treat. However, a year before that, the King Arthur Flour company published a mug cake recipe in its magazine. In the article, it was stated that the cake was already circulating around the country.

Why are mug cakes called the most dangerous cakes?

Because you’re only 5 minutes away from making a single-serving cake.

🍽 More Recipes

Do you enjoy mug cakes and cupcakes? Then try these delicious recipes:

📌 PIN IT!!

grinch mug cake on a wooden cutting board with the name in text

🧾Recipe Card

Want to make this recipe? Print the recipe card below, or pin this recipe, so you can find it later.

grinch mug cake on a wooden cutting board

Grinch Mug Cake

This Grinch mug cake is ready in a matter of minutes, tastes delicious, and is loaded with Grinchy themes like green coloring and red hearts.
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Course: Cakes
Cuisine: American
Prep Time: 5 minutes
Cook Time: 1 minute
Total Time: 6 minutes
Servings: 1 Mug Cake
Calories: 458kcal


  • mug
  • measuring spoon


  • 6 Tablespoons Milk
  • 1 Tablespoon Oil
  • 6 Tablespoons Flour
  • 2 Tablespoons Sugar
  • ½ teaspoon Baking Powder
  • 1 teaspoon Lime Green Food Coloring Gel
  • 2 teaspoons Vanilla

To Top

  • Whipped Cream – Redi Whip or Cool Whip
  • Red Grinch Hearts


  • In a 12 ounce Microwave safe Mug, add Milk, Oil, Flour, Sugar, Baking Powder, Vanilla, and Food Coloring.
  • Stir well to combine, and place in Microwave for 1 minute.
  • Remove Mug from Microwave, and if the top is a little jiggly, or looks really shiny, or halfway runny, place the Mug back in the Microwave for 10 seconds.
  • Remove from Microwave, and let stand for 2 minutes to cool slightly.
  • Then top with Whipped Cream, or Cool Whip, and Red Grinch Hearts.
  • Serve, and Enjoy!


Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes. 


Serving: 1Serving | Calories: 458kcal | Carbohydrates: 64g | Protein: 8g | Fat: 17g | Saturated Fat: 3g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 10g | Trans Fat: 0.1g | Cholesterol: 11mg | Sodium: 248mg | Potassium: 196mg | Fiber: 1g | Sugar: 29g | Vitamin A: 146IU | Calcium: 236mg | Iron: 2mg

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