Microwaved Mug Chocolate Lava Cake

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A single-serving chocolate cake with a gooey molten center, ready in just minutes using your microwave. This american-inspired desserts ready in about 7 minutes layers unsweetened cocoa powder, all-purpose flour, 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 350 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.

Prep: 5 min Cook: 2 min Serves 1 American cuisine 350 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a microwave-safe mug, whisk together 2 tablespoons unsweetened cocoa powder, 4 tablespoons all-purpose flour, and 4 tablespoons granulated sugar until combined.
  2. Step 2: Add 3 tablespoons vegetable oil and 3 tablespoons milk to the mug and stir thoroughly to form a smooth batter.
  3. Step 3: Microwave the mug on high for 70-90 seconds until the cake has risen but the center remains soft and gooey - do not overcook.
  4. Step 4: Carefully remove the mug from the microwave (it will be hot) and allow it to cool for 1 minute before enjoying directly from the mug.

Frequently asked questions

How long does Microwaved Mug Chocolate Lava Cake take to make?

Total time is about 7 minutes (5 min prep + 2 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 Microwaved Mug Chocolate Lava 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 Microwaved Mug Chocolate Lava 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 Microwaved Mug Chocolate Lava 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 Microwaved Mug Chocolate Lava 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.

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