Last Updated on July 22, 2026 by Rita

A caramel mug cake recipe creates a rich chocolate cake with a gooey caramel center in about 90 seconds. I make this single-serving microwave dessert when I want a soft, moist texture without baking a full cake. First, cocoa powder builds deep chocolate flavor, while salted caramels melt into the center. Moreover, one egg keeps the crumb tender. This caramel mug cake needs simple pantry ingredients, one bowl, and one microwave-safe mug. For another caramel-filled dessert, try my Chocolate Caramel Mug Cake.

Table of Contents

Ingredients You’ll Need for Caramel Mug Cake Recipe

I make this caramel mug cake recipe with simple pantry ingredients that come together in just a few minutes. Each ingredient plays an important role in creating a moist chocolate cake with a gooey caramel center.

Ingredients for caramel mug cake recipe — Everything needed to make one chocolate caramel mug cake.

4 tablespoons all-purpose flour
4 tablespoons granulated sugar
3 tablespoons unsweetened cocoa powder
1/4 teaspoon baking powder
1/4 teaspoon salt
1 large egg, beaten
3 tablespoons skim milk
1 tablespoon vegetable oil
2 salted caramels

These exact measurements create one perfectly sized mug cake with a rich chocolate flavor and a warm caramel surprise in every bite. For another quick chocolate dessert, I also recommend Chocolate Mug Cake Recipe.

How to Make Caramel Mug Cake Recipe (3 Easy Steps)

Making this caramel mug cake recipe takes only a few minutes. Follow these simple steps for the best soft texture and gooey caramel center.

Steps for making caramel mug cake recipe — Four simple steps to make a gooey caramel mug cake.

Step 1 – Mix the Batter
- In a small bowl, combine the all-purpose flour, sugar, unsweetened cocoa powder, baking powder, and salt.
- Add the beaten egg, skim milk, and vegetable oil.
- Stir until the batter is smooth and no dry streaks remain.
Step 2 – Fill the Mug
- Pour the batter into a regular-sized microwave-safe coffee mug.
- Drop the 2 salted caramels into the center of the batter, one at a time. Do not press them all the way to the bottom.
Step 3 – Microwave
- Microwave on High for 1 minute and 30 seconds.
- If the center still looks too gooey, microwave for up to 30 seconds more.
- Let the mug cake cool for 2 to 3 minutes before enjoying. The caramel stays very hot immediately after cooking.

For another rich microwave dessert, I also love Molten Chocolate Lava Mug Cake.

Tools for Making Caramel Mug Cake Recipe

You only need a few basic kitchen tools to prepare this caramel mug cake recipe quickly and easily.

1 regular microwave-safe coffee mug (10–12 ounces)
1 small mixing bowl
Measuring tablespoons
Measuring teaspoons
Fork or small whisk for mixing
Spoon or rubber spatula
Microwave
Oven mitt or kitchen towel for handling the hot mug

Using the right mug helps the batter rise without overflowing during cooking. I also recommend letting the mug cake cool for a few minutes before taking the first bite because the melted caramel becomes extremely hot. If you enjoy quick microwave desserts, you’ll also love Hot Cocoa Mug Cake.

Cozy Tips & Smart Variations for Caramel Mug Cake Recipe

I love making small changes to this caramel mug cake recipe to suit my mood while keeping the original recipe just as easy.

Let the mug cake cool for 2 to 3 minutes before eating because the melted caramel stays very hot.
If the center looks undercooked, microwave for an extra 10 to 30 seconds instead of overcooking it all at once.
Coat the salted caramels lightly with flour before adding them to the batter. This simple trick can help keep the caramel closer to the center instead of sinking to the bottom.
Add a pinch of flaky sea salt before serving for a sweet and salty finish.
Top with whipped cream or a scoop of vanilla ice cream for an extra-indulgent dessert.
Sprinkle chocolate shavings or mini chocolate chips over the warm cake for even more chocolate flavor.

If you enjoy rich chocolate desserts with a molten center, you’ll also love Chocolate Lava Cake Mug Recipe.

Why You’ll Love Caramel Mug Cake Recipe

This caramel mug cake recipe has become one of my favorite quick desserts because it delivers rich chocolate flavor with very little effort.

Ready in about 2 minutes of cooking time.
Makes a perfect single serving with no leftovers.
Uses simple pantry ingredients that are easy to find.
Creates a soft, moist chocolate cake with a gooey caramel center.
Requires only one bowl and one microwave-safe mug for easy cleanup.
Great for satisfying chocolate cravings without baking a full cake.
Easy to customize with your favorite toppings, such as whipped cream, vanilla ice cream, or extra caramel.
Perfect for weeknight desserts, late-night treats, or whenever you want something sweet in a hurry.

If you enjoy easy microwave desserts, I also recommend Easy Chocolate Mug Cake in Microwave.

Frequently Asked Questions About Caramel Mug Cake Recipe

Can I make a caramel mug cake without salted caramels?

Yes. You can use soft caramel candies, caramel bits, or chocolate-covered caramels. The texture stays delicious, although different candies melt differently.

Why did my caramel sink to the bottom?

Caramel is heavier than the batter, so it naturally sinks during cooking. Lightly coating the caramels with a little flour before adding them may help keep them closer to the center.

Why is my mug cake still gooey?

Microwave power varies by model. If the center remains too wet after 1 minute and 30 seconds, microwave the cake for another 10 to 30 seconds until the top is set while keeping the center soft.

Can I make this caramel mug cake ahead of time?

This caramel mug cake recipe tastes best immediately after cooking. The cake stays soft, and the caramel remains warm and gooey when served fresh.

For another quick single-serving dessert, try Chocolate Cake in a Mug with Egg.

Final Thoughts on Caramel Mug Cake Recipe

I always come back to this caramel mug cake recipe when I want a warm chocolate dessert without spending much time in the kitchen. It combines simple pantry ingredients with a rich cocoa flavor and a gooey caramel center that feels extra special. Best of all, it cooks in just 90 seconds and makes the perfect single serving. Whether you enjoy it plain or topped with whipped cream or vanilla ice cream, this easy microwave dessert delivers delicious results every time. If you love quick chocolate treats, don’t miss Chocolate Caramel Mug Cake.

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“If you tried this recipe, tell me how it turned out. Did you keep it gooey or cook it fully?”

Caramel Mug Cake Recipe: Easy 90-Second Treat