← BlogJune 28, 2026

How to Make the Perfect Mocha Latte Mug Cake

American · Easy · 5 min · 1 servings

vegetarian
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This rich mocha latte mug cake combines the bold flavor of espresso with deep chocolate in a cake you make in the microwave. It satisfies coffee and chocolate cravings simultaneously in under 5 minutes.

Why this recipe works

This Mocha Latte Mug Cake recipe has been crafted to deliver restaurant-quality results in your home kitchen. At just 5 minutes from start to finish, it fits perfectly into a busy schedule without sacrificing flavor. Each serving comes in at 340 calories with 6g of protein, making it a balanced choice for any meal.

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What you will need

This recipe uses 6 simple ingredients that you can find at any grocery store:

  • 4 tbsp all-purpose flour
  • 2 tbsp cocoa powder
  • 3 tbsp sugar
  • 1 tsp instant espresso powder
  • 3 tbsp milk
  • 2 tbsp butter melted

Step by step instructions

Step 1: Mix Dry Ingredients

In a large microwave-safe mug whisk together flour cocoa powder sugar espresso powder and baking powder until blended.

Step 2: Add Wet Ingredients

Stir in milk and melted butter until a smooth and glossy batter forms.

Step 3: Microwave

Microwave on high for 90 seconds until the cake rises and pulls slightly from the edges of the mug.

Step 4: Serve

Let cool for 30 seconds then optionally top with a small dollop of whipped cream and a dusting of cocoa.

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Easy substitutions

Missing an ingredient? Here are some swaps that work perfectly:

  • instant espresso powder → strongly brewed coffee cooled to room temperature
  • butter → coconut oil for a dairy-free option

Common mistakes to avoid

Watch out for these pitfalls that can affect your results:

  • Skipping the espresso which results in a plain chocolate cake without mocha flavor
  • Overcooking which creates a dry rubbery texture rather than a moist crumb

Nutrition facts

Per serving: 340 calories, 6g protein, 46g carbs, 14g fat, 3g fiber.

Ready to cook?

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