Red Velvet Mug Cake is a quick and cozy treat that’s perfect when you want something sweet without the fuss. It’s got that beautiful red color, a soft and moist texture, and just the right hint of chocolate flavor. Plus, the cream cheese frosting on top makes each bite smooth and delicious.
I love how easy this cake is to make—just mix the ingredients in a mug, pop it in the microwave, and you’ve got a warm dessert in minutes. It’s my go-to when I’m craving cake but don’t want to bake a whole pan, and it never fails to brighten my day. A little tip I like is to keep an eye on the cooking time so it stays perfectly soft and doesn’t dry out.
Serving this red velvet mug cake is a little moment of joy on its own, but I sometimes add a dollop of whipped cream or a few fresh berries on top to make it extra special. It’s also great to share with a friend when you need a quick sweet pick-me-up together. This little cake always feels like a cozy hug in a mug!
Key Ingredients & Substitutions
Flour: All-purpose flour works best here to give the cake structure. If you need a gluten-free option, try a 1:1 gluten-free flour blend.
Cocoa powder: Unsweetened cocoa adds the subtle chocolate flavor typical of red velvet. You can use Dutch-processed cocoa for a richer taste.
Red food coloring: This gives the cake its classic red shade. If you prefer natural options, use beet juice or powdered beetroot instead.
Vinegar: White vinegar reacts with baking powder to help the cake rise and gives red velvet its slight tang. Apple cider vinegar is a good substitute.
Cream cheese frosting: The tangy, sweet frosting balances the cake’s flavors perfectly. You can swap cream cheese for mascarpone or Greek yogurt for a lighter topping.
How Do I Avoid Overcooking the Mug Cake in the Microwave?
Microwaves vary in power, so timing matters here. Overcooking can make the cake dry and rubbery, so watch it closely as it cooks.
- Start microwaving for 60 seconds, then check by gently touching the top or inserting a toothpick.
- If it’s wet or gooey, microwave in 10-second bursts until just set but still moist.
- Let it rest for a minute after cooking to allow residual heat to finish cooking without drying it out.
Using a mug that is microwave-safe and not too small helps the cake cook evenly. This care will give you a soft, tender red velvet cake every time.
Equipment You’ll Need
- Microwave-safe mug – big enough to hold the batter as it rises without spilling over.
- Small whisk or fork – makes mixing the batter smooth and quick.
- Measuring spoons – for accurate ingredient amounts to keep the taste just right.
- Small bowl – handy for mixing the cream cheese frosting until smooth.
Flavor Variations & Add-Ins
- Blend in a tablespoon of peanut butter for a nutty twist that pairs well with cream cheese frosting.
- Swap cocoa powder for instant espresso powder to make a coffee-flavored red velvet cake.
- Add a handful of mini chocolate chips to the batter for extra pockets of melted chocolate.
- Top with fresh raspberries or strawberries for a fruity touch that brightens the rich flavor.
Red Velvet Mug Cake
Ingredients You’ll Need:
For the Cake:
- 4 tablespoons all-purpose flour
- 2 tablespoons granulated sugar
- 1 tablespoon unsweetened cocoa powder
- 1/4 teaspoon baking powder
- Pinch of salt
- 3 tablespoons milk
- 1 tablespoon vegetable oil
- 1/4 teaspoon white vinegar
- 1/4 teaspoon vanilla extract
- 1 teaspoon red food coloring
For the Frosting:
- 2 tablespoons cream cheese, softened
- 1 tablespoon powdered sugar
- 1 teaspoon milk
- Whipped cream (optional, for topping)
- Red velvet cake crumbs or sprinkles (optional, for garnish)
- Mini chocolate chips (optional, for garnish)
How Much Time Will You Need?
This red velvet mug cake takes about 5 minutes total: just a couple of minutes to mix the ingredients and prepare the frosting, around 1 minute to microwave the cake, and a minute or two to cool slightly before enjoying. It’s a super quick sweet treat you can make any time!
Step-by-Step Instructions:
1. Mix the Dry Ingredients:
In a microwave-safe mug, whisk together the flour, sugar, cocoa powder, baking powder, and salt. Stir them well so everything blends evenly.
2. Add the Wet Ingredients:
Pour in the milk, vegetable oil, white vinegar, vanilla extract, and red food coloring. Stir everything together until your batter is smooth and the bright red color is even throughout.
3. Cook the Cake:
Microwave your mug cake on high for 60 to 75 seconds. Watch carefully so it doesn’t overcook! The cake should rise and look set but still be moist. Every microwave cooks a bit differently, so adjust the time as needed.
4. Prepare the Cream Cheese Frosting:
While the cake microwaves, mix the softened cream cheese, powdered sugar, and milk in a small bowl. Stir until the frosting is smooth and fluffy.
5. Frost and Garnish:
Let the cake cool for a minute or two, then spread or dollop the cream cheese frosting on top. Add whipped cream, red velvet crumbs, and mini chocolate chips if you like.
6. Serve and Enjoy:
Grab a spoon, enjoy your warm, moist red velvet mug cake, and savor each quick and delightful bite!
Can I Use Frozen Milk or Cream Cheese for This Recipe?
It’s best to use fresh milk and softened cream cheese for the smoothest batter and frosting. If using frozen cream cheese, thaw it in the fridge overnight and bring it to room temperature before mixing.
How Can I Make This Mug Cake Vegan?
Swap the milk for a plant-based alternative like almond or oat milk, use a vegan oil like coconut oil, and replace cream cheese with a vegan cream cheese spread for the frosting. The cake will still be delicious!
What’s the Best Way to Store Leftovers?
If you have leftovers, cover the mug tightly with plastic wrap and refrigerate for up to 1 day. Reheat gently in the microwave for about 20-30 seconds before enjoying.
Can I Double the Recipe to Share?
Yes! You can double the ingredients and use a larger microwave-safe bowl or mug. Just increase the cooking time slightly and keep an eye on the cake to avoid overcooking.