A soft, coffee-infused mug cake layered with creamy mascarpone frosting — this Tiramisu Mug Cake delivers all the flavor of classic tiramisu in just 1 minute! It’s rich, aromatic, and melts in your mouth, made right in your favorite mug. Perfect for coffee lovers and dessert dreamers alike.
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In a small bowl, mix instant coffee with hot water until dissolved. Set aside.
In a microwave-safe mug, add flour, sugar, baking powder, and a pinch of salt. Whisk to combine.
Pour in brewed coffee, milk, oil, and vanilla extract.
Stir until smooth and lump-free, scraping down the sides and bottom of the mug.
Cook on medium-high power (about 800–900W) for 70–80 seconds in the microwave. The cake should rise, look set on top, and feel moist.
Let it rest for a minute to finish cooking and settle.
In a small bowl, whip mascarpone, powdered sugar, cream, and vanilla until smooth and creamy.
Spread the mascarpone frosting over the cooled mug cake.
Dust generously with cocoa powder and enjoy warm or chilled.
Boost the tiramisu feel by layering with crushed ladyfingers or drizzling extra coffee syrup between the cake and cream.
For added chocolate flavor, mix in cocoa powder or chocolate chips before microwaving.
To make a vegan version, use plant-based milk and vegan cream cheese or coconut cream.
If the cake turns rubbery, reduce the microwave time by 10 seconds next time.
If the cake is too dry, add a splash more milk or coffee to the batter.
Can I make this recipe vegan?
Yes, you can use plant-based milk and vegan cream cheese or coconut cream to make this recipe vegan.
What should I do if my cake turns out rubbery?
If the cake turns rubbery, reduce the microwave time by 10 seconds next time.
Can I substitute mascarpone cheese?
Yes, you can substitute mascarpone cheese with cream cheese or Greek yogurt for a lighter twist.
How can I add more chocolate flavor?
You can mix in 1 tsp of cocoa powder or chocolate chips into the batter before microwaving.
How long can I store the mug cake?
The mug cake is best enjoyed fresh but can be refrigerated (covered) for up to 1 day. Reheat for 10 seconds or enjoy chilled.
I’m Rajani, a passionate cook with over 15 years of experience creating delicious, approachable dishes. My love for food began in childhood, inspired by watching Sanjeev Kapoor’s Khana Khazana with my mom and helping her in the kitchen. On The Gourmet’s Hut, I share tried-and-tested authentic Indian recipes and quick microwave mug cake recipes perfect for busy days. My goal is to make cooking simple, flavorful, and fun—because food brings people together and every meal should create memories.
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