Coffee Walnut Mug Cake

Want a quick dessert? This Coffee Walnut Mug Cake takes just 7 minutes to make. It’s simple, delicious, and perfect for one.

The bold coffee flavor blends perfectly with the crunch of walnuts. It’s a treat that’s sweet, rich, and satisfying.

Make it for a late-night craving or a quick afternoon snack. This easy mug cake is always a good idea!

Coffee Walnut Mug Cake

Why You’ll Love This Recipe

This mug cake is quick and easy to make. No fancy tools or long prep times—just mix, microwave, and enjoy.

The coffee adds a bold, rich flavor. The walnuts bring a delightful crunch that makes each bite irresistible.

It’s versatile too. Add vanilla, swap walnuts for chocolate chips, or top with whipped cream. The possibilities are endless!

Ingredients for Coffee Walnut Mug Cake

For the Cake:

  • 3 tbsp self-rising flour
  • 1 tbsp instant coffee powder
  • 2 tbsp unsalted butter, melted
  • 4 tbsp whole milk
  • 3 tbsp sweetened condensed milk
  • 2 tbsp chopped walnuts

Ingredient Spotlight: Don’t skip the instant coffee powder! It’s the key to that bold, rich coffee flavor.

How to Make a Coffee Walnut Mug Cake in 7 Minutes

1. Mix dry ingredients: Combine the flour and coffee powder in a microwave-safe mug.

2. Add wet ingredients: Pour in the melted butter, milk, and sweetened condensed milk. Stir until the batter is smooth.

3. Add the walnuts: Mix in the chopped walnuts for a crunchy twist.

4. Microwave and enjoy: Cook for 90 seconds to 2 minutes, depending on your microwave. The cake is ready when it’s risen and set in the center.

Let it cool slightly before digging in. Enjoy warm for the best taste!

Pro Tip: Don’t overmix the batter. Stir just until combined for the perfect soft texture.

Expert Tip for the Best Coffee Walnut Mug Cake

Sprinkle powdered sugar or cocoa on top for a cafe-style finish. It’s a simple step that makes it extra special.

Common Questions I Get

Can I make this mug cake ahead of time?

It’s best enjoyed fresh, right after microwaving. You can, however, mix the dry ingredients in advance and store them in a jar. Just add the wet ingredients when you’re ready to make it.

Can I substitute self-rising flour?

Yes! Use 3 tablespoons of all-purpose flour mixed with 1/4 teaspoon of baking powder as a substitute.

How long does this mug cake stay good?

This mug cake is best eaten within 10 minutes for the softest, fluffiest texture.

Can I replace the walnuts?

Absolutely! You can swap walnuts for chocolate chips, almonds, or even dried fruit for a twist.

What’s the best mug to use?

Use a microwave-safe mug with a capacity of at least 12 ounces to prevent overflowing.

Can I use almond milk instead of whole milk?

Yes, almond milk works just as well and is a great dairy-free option.

How can I make it even more indulgent?

Top it with whipped cream, a drizzle of caramel or chocolate sauce, or even a scoop of ice cream.


Give this scrumptious Coffee Walnut Mug Cake a try today and discover why it’s a perfect treat for any time of day! Whether you’re a coffee aficionado, a walnut enthusiast, or simply a lover of all things sweet and satisfying, this recipe is sure to delight.

Coffee Walnut Mug Cake

Coffee Walnut Mug Cake

Enjoy our Coffee Walnut Mug Cake with a quick microwave twist—rich, nutty, and ready in just 7 minutes! Perfect for one!
Prep Time 5 minutes
Cook Time 1 minute
Total Time 7 minutes
Course Dessert
Cuisine American
Servings 1 mug cake

Ingredients
  

  • 3 tbsp self-rising flour
  • 2 tbsp unsalted butter melted
  • 4 tbsp whole milk
  • 1 tbsp instant coffee powder
  • 3 tbsp sweetened condensed milk
  • 2 tbsp chopped walnuts

Instructions
 

  • In a microwave-safe mug, combine the self-rising flour and instant coffee powder.
  • Add the melted butter, milk, sweetened condensed milk, and chopped walnuts to the mug. Stir until smooth and well mixed.
  • Microwave on high for 90 seconds to 2 minutes, depending on your microwave’s strength. The cake is ready when it has risen and appears set in the center.
  • Let cool slightly before enjoying.
Keyword Coffee Walnut Mug Cake

Similar Posts

Leave a Reply