Chocolate Mug Cake

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There is a specific moment around 9 PM when the craving hits. You want something rich, warm, and chocolatey, but baking a whole cake feels like too much work. That is where this recipe saves the day—it is a solo treat that comes together in less than five minutes.

Chocolate Mug Cake 15

This isn’t just any mug cake; it’s a chocolate lover’s dream with a simple flavor pop. By adding a tiny pinch of espresso powder to the batter, we wake up the cocoa and create a deep, fudgy flavor that tastes like it took hours, not minutes.

The Simple Magic

  • Instant Gratification: From pantry to spoon in under five minutes.
  • Pantry Staples: No fancy shopping list needed—just the basics you likely have right now.
  • The Flavor Pop: That pinch of espresso powder makes the chocolate sing without tasting like coffee.
  • Egg-Free: This recipe skips the egg, which keeps the texture fluffy rather than rubbery.
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Warm chocolate mug cake with a spoon

Chocolate Mug Cake


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5 from 19 reviews

  • Author: Jasmine Padda
  • Total Time: 5 mins
  • Yield: 1 serving
  • Diet: Vegetarian, Egg-Free

Description

Indulge in a rich, fudgy chocolate treat in under five minutes with this effortless mug cake. Using simple pantry staples and a hint of espresso, this egg-free dessert delivers a moist, bakery-quality crumb right from your microwave.


Ingredients

  • 4 tbsp all-purpose flour
  • 3 tbsp sugar
  • 2 tbsp unsweetened cocoa powder
  • 1/4 tsp baking soda
  • 1 pinch salt
  • 1 pinch espresso powder
  • 3 tbsp milk
  • 1 tbsp canola oil
  • 1 tbsp water
  • 1/2 tsp vanilla extract


Instructions

  1. In a 12-ounce microwave-safe mug, whisk together the flour, sugar, cocoa powder, baking soda, salt, and espresso powder until no lumps remain.
  2. Stir in the milk, canola oil, water, and vanilla extract, ensuring you scrape the bottom edges of the mug to incorporate all dry pockets.
  3. Microwave on high for 1 minute and 45 seconds, then let the cake rest for one minute to set before enjoying.

Notes

To achieve the perfect texture, ensure your microwave-safe mug has a wide mouth, which allows the heat to circulate more evenly through the batter. If you prefer a molten center, try adding a few chocolate chips or a small dollop of peanut butter to the middle of the mug before cooking.

  • Prep Time: 3 mins
  • Cook Time: 2 mins
  • Category: Dessert
  • Method: Microwave
  • Cuisine: American

The Flavor Stars

Ingredients for mug cake including cocoa and espresso powder
Chocolate Mug Cake 16

Here is the lineup for your new favorite late-night treat.

  • Unsweetened Cocoa Powder: The base of our flavor. Use a high-quality Dutch-process if you have it for extra richness.
  • Espresso Powder: My favorite “smart addition.” Just a pinch doesn’t add caffeine buzz, but it amplifies the chocolate intensity instantly.
  • All-Purpose Flour: Provides just enough structure to hold the cake together.
  • Milk & Oil: The combination keeps the crumb moist and tender.
  • Vanilla Extract: Rounds out the sweetness and adds that bakery aroma.

How to Make It

Step 1: Whisk the Dry

Grab your favorite microwave-safe mug (12-ounce size is best to prevent overflow). Whisk together the flour, sugar, cocoa powder, baking soda, salt, and that magical pinch of espresso powder until there are no lumps.

Step 2: Add the Wet

Stir in the milk, canola oil, water, and vanilla extract. Mix well, making sure you scrape the bottom edges of the mug so no dry flour pockets remain.

Step 3: Microwave

Cook on high for about 1 minute and 45 seconds. The center should look set but still slightly shiny. Let it cool for a minute before digging in—it will be hot!

Jasmine’s Flavor Tips

Smooth chocolate batter in a mug before cooking
Chocolate Mug Cake 17
  • Don’t Overcook: Microwaves vary wildly in power. Start checking at the 90-second mark. If it pulls away from the sides, it is done. Overcooking is the main culprit for a rubbery texture.
  • The Mug Matters: Use a wide mug rather than a tall, skinny one. This helps the cake cook evenly without the bottom becoming gummy while the top dries out.
  • Inspiration: We built this flavor profile on the reliable base of a classic microwave chocolate mug cake but adjusted the hydration to support our flavor boosters.
  • More Chocolate: If you are a serious chocoholic, check out our Rich Chocolate Treats for larger baking projects.

Make It Yours

This recipe is a blank canvas for your creativity.

  • Nutella Core: Drop a spoonful of chocolate hazelnut spread into the center of the batter before cooking for a molten lava effect.
  • Citrus Twist: Add a teaspoon of orange zest. As we see in our Fruit & Garden recipes, fresh citrus brightens deep chocolate flavors beautifully.
  • Spiced Up: A pinch of cinnamon and a dash of cayenne pepper turns this into a Mexican hot chocolate experience.

Simple Serving

Chocolate mug cake topped with whipped cream
Chocolate Mug Cake 18

This cake is best enjoyed warm, right out of the mug.

  • A Cold Contrast: Top with a scoop of vanilla ice cream or a dollop of whipped cream. The temperature contrast is delightful.
  • Crunch Factor: Sprinkle with chopped nuts or chocolate chips for texture.
  • Cookie Pairing: Serve alongside one of our Cute & Quick Bakes for a full dessert spread.

The Sweet Spot

Next time you need a quick dessert fix, remember that you are only minutes away from warm, chocolatey bliss. It is the perfect way to treat yourself without a sink full of dishes. For more timeless recipes that always work, check out our Classic Favorites.

We would love to see your mug creations! Snap a photo and tag us on Instagram, Facebook, or Pinterest.

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