Quick Microwave Molten Chocolate Mug Cake

By AislePrompt Editorial · Published 2026-07-04 · Updated 2026-07-04

A fast, rich chocolate cake with a gooey molten center made in a mug using the microwave—perfect for a last-minute indulgence. This American-inspired recipe, ready in about 7 minutes, layers all-purpose flour, granulated sugar, unsweetened cocoa powder 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.

Ingredients

• 4 tbsp all-purpose flour
• 4 tbsp granulated sugar
• 2 tbsp unsweetened cocoa powder
• 1/4 tsp baking powder
• 3 tbsp milk
• 2 tbsp vegetable oil
• 1/4 tsp vanilla extract
• 2 tbsp semi-sweet chocolate chips

Bakeware worth owning for recipes like this → Best Bakeware Sets in 2026: Top Picks + Buying Guide

Instructions

1. Step 1: In a microwave-safe 12 oz mug, whisk together 4 tbsp all-purpose flour, 4 tbsp granulated sugar, 2 tbsp unsweetened cocoa powder, and 1/4 tsp baking powder until combined.
2. Step 2: Add 3 tbsp milk, 2 tbsp vegetable oil, and 1/4 tsp vanilla extract to the dry ingredients and stir until smooth with no lumps.
3. Step 3: Press 2 tbsp semi-sweet chocolate chips into the center of the batter, pushing them slightly down.
4. Step 4: Microwave the mug on high for 70-90 seconds, watching carefully; the cake should rise and look set but still moist on top.
5. Step 5: Let the mug cake cool for 2 minutes before enjoying directly from the mug with a spoon.