Espresso-Infused Single-Serve Chocolate Mug Cake
A decadent, fudgy chocolate cake baked in one minute in the microwave, enhanced with a hint of espresso for depth and a sprinkle of sea salt. This american-inspired desserts ready in about 6 minutes layers dark chocolate chips, unsweetened cocoa powder, granulated sugar into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 240 calories and feeds 1, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 3 tbsp dark chocolate chips
- 1 tbsp unsweetened cocoa powder
- 2 tbsp granulated sugar
- 1 tbsp all-purpose flour
- 1 tbsp unsalted butter
- 2 tbsp whole milk
- 1/4 tsp instant espresso powder
- pinch sea salt
Instructions
- Step 1: In a microwave-safe mug, melt 1 tbsp unsalted butter in the microwave for 30 seconds until liquid.
- Step 2: Add 3 tbsp dark chocolate chips, 1 tbsp unsweetened cocoa powder, 2 tbsp granulated sugar, and 1/4 tsp instant espresso powder to the melted butter, then stir until smooth.
- Step 3: Whisk in 1 tbsp all-purpose flour and 2 tbsp whole milk until fully incorporated, with no lumps.
- Step 4: Microwave on high for 1 minute and 15 seconds, checking at 60 seconds to prevent overflow.
- Step 5: The cake is done when the edges are set but the center is slightly soft (about 1 minute 15 seconds total).
- Step 6: Let cool for 2 minutes, then sprinkle with a pinch of sea salt and serve immediately.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Espresso-Infused Single-Serve Chocolate Mug Cake take to make?
Total time is about 6 minutes (5 min prep + 1 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.
How do I store leftover Espresso-Infused Single-Serve Chocolate Mug Cake?
Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.
Can I substitute ingredients in Espresso-Infused Single-Serve Chocolate Mug Cake?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Espresso-Infused Single-Serve Chocolate Mug Cake for a different number of people?
The recipe is written for 1 servings. Multiply each ingredient by (your serving target / 1). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Espresso-Infused Single-Serve Chocolate Mug Cake?
American desserts like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★★
Great base recipe! I added a pinch of smoked paprika and it was even better.
- ★★★★☆
Very good for a 1-minute recipe. Would bump up the spice level though.
- ★★★★☆
Solid recipe. Not groundbreaking but definitely making it again.
