Quick Microwave Chocolate Lava Cake in Minutes
Tiny cake, huge drama. This microwave chocolate lava cake gives you the ooey-gooey, molten chocolate core of a fancy restaurant dessert—without the fancy effort.
Seriously, if you can measure, mix, and hit “start” on your microwave, you can make this.
It’s perfect for nights when you want something indulgent, fast, and 100% comforting.
Microwave Chocolate Lava Cake Recipe
Ingredients
- 2 tablespoons butter – salty or unsalted either works.
- 2 tablespoons granulated sugar – or your preferred sweetener.
- 1 large egg – the glue that holds your lava together.
- 1 tablespoon unsweetened cocoa powder – for that deep chocolate flavor.
- 1 tablespoon all-purpose flour – just enough to give structure.
- 1/2 teaspoon vanilla extract – optional but it makes your chocolate taste even more decadent.
- Pinch of salt – to bring out all the chocolatey goodness.
Instructions
- Melt the butter. Place the butter in a microwave-safe mug and zap for 20–30 seconds until melted. Don’t wander off—burnt butter is sad butter.
- Add sugar and egg. Stir in the sugar and crack in your egg. Mix until smooth. This is your chocolatey base!
- Mix in dry ingredients. Add cocoa powder, flour, and a pinch of salt. Stir well, making sure there are no stubborn lumps hiding in the corners.
- Flavor boost. Drop in the vanilla extract and give one last stir. Your mug is now basically a chocolate volcano waiting to erupt.
- Microwave magic. Zap on high for 60–75 seconds. Timing can vary based on your microwave, so start with a minute and add 10-second increments if needed. The top should look set, but the center remains molten.
- Optional toppings. Sprinkle chocolate chips on top or add a dusting of powdered sugar. A scoop of ice cream? Chef’s kiss.
- Serve immediately. The lava doesn’t wait. Grab a spoon and dig in while it’s still warm and gooey.
Why This Recipe is Awesome
Here’s the thing: lava cake usually screams fancy restaurant vibes, but making it at home can feel like preparing for a chemistry exam. Not here.
This microwave chocolate lava cake is idiot-proof. You mix, zap, and boom—molten chocolate perfection.
- Ultra-fast: Five minutes from start to chocolatey bliss.
- Minimal cleanup: One mug, one spoon, zero drama.
- Customizable: Sprinkle nuts, chocolate chips, or a pinch of sea salt if you’re feeling fancy.
- Perfect portion control: You get one luscious cake without committing to a full pan… unless, you know, you make multiples.
Basically, it’s chocolate therapy in mug form.
Ingredients You’ll Need

Here’s your simple shopping list. No obscure ingredients, no “wait, what’s that?” moments.
- 2 tablespoons butter – salty or unsalted, either works.
- 2 tablespoons granulated sugar – or your preferred sweetener.
- 1 large egg – the glue that holds your lava together.
- 1 tablespoon unsweetened cocoa powder – for that deep chocolate flavor.
- 1 tablespoon all-purpose flour – just enough to give structure.
- 1/2 teaspoon vanilla extract – optional, but it makes your chocolate taste even more decadent.
- Pinch of salt – to bring out all the chocolatey goodness.
Optional toppings: chocolate chips, whipped cream, berries, or a scoop of ice cream if you want to go full dessert boss mode.
Step-by-Step Instructions
Follow these steps and you’ll be digging into molten chocolate happiness in no time:
- Melt the butter. Place the butter in a microwave-safe mug and zap for 20–30 seconds until melted. Don’t wander off—burnt butter is sad butter.
- Add sugar and egg. Stir in the sugar and crack in your egg. Mix until smooth. This is your chocolatey base!
- Mix in dry ingredients. Add cocoa powder, flour, and a pinch of salt. Stir well, making sure there are no stubborn lumps hiding in the corners.
- Flavor boost. Drop in the vanilla extract and give one last stir. Your mug is now basically a chocolate volcano waiting to erupt.
- Microwave magic. Zap on high for 60–75 seconds. Timing can vary based on your microwave, so start with a minute and add 10-second increments if needed. The top should look set, but the center remains molten.
- Optional toppings. Sprinkle chocolate chips on top or add a dusting of powdered sugar. A scoop of ice cream? Chef’s kiss.
- Serve immediately. The lava doesn’t wait. Grab a spoon and dig in while it’s still warm and gooey.
How to Serve

This microwave chocolate lava cake is best enjoyed straight from the mug. Pair it with:
- A scoop of vanilla or coffee ice cream.
- A drizzle of chocolate or caramel sauce.
- Fresh berries for a slightly tangy counterbalance.
Pro tip: Warm mugs hold heat longer, so your lava stays molten a few extra minutes.
Nutrition Facts (Approximate per serving)
- Calories: 310 kcal
- Fat: 18g
- Saturated Fat: 11g
- Carbohydrates: 36g
- Sugar: 25g
- Protein: 7g
- Fiber: 2g
Common Mistakes to Avoid
- Overcooking: Microwave too long, and you’ll have a dry cake instead of molten chocolate bliss. Start with shorter bursts and check consistency.
- Undermixing: If you leave lumps of flour or cocoa, your cake texture will be weird. Smooth is key.
- Wrong mug size: Too small = messy overflow. Too large = cake spreads too thin and cooks unevenly. 8–12 oz mugs work best.
- Skipping the butter melt: Directly mixing cold butter can lead to clumpy disaster.
Alternatives & Substitutions
- Butter substitute: Coconut oil works for a dairy-free version.
- Sugar swap: Brown sugar, coconut sugar, or a sugar-free sweetener can work, though texture may vary slightly.
- Flour alternative: Almond flour is an option, just reduce slightly to avoid dry lava.
- Extra goo factor: Nestle a piece of chocolate in the center before microwaving for an even more dramatic lava effect.
Final Thoughts
This microwave chocolate lava cake proves you don’t need hours, fancy techniques, or a bakery to impress your sweet tooth.
It’s fast, comforting, and wildly satisfying. Perfect for last-minute cravings, solo indulgence, or impressing someone with minimal effort.
Now go forth, mug in hand, and enjoy your chocolate victory—you’ve earned it.
FAQ (Frequently Asked Questions)
Q: Can I make this ahead of time?
A: Nope. Lava waits for no one. Make it fresh for maximum molten effect.
Q: Can I use a mini mug or ramekin?
A: Sure, but watch the cooking time. Smaller vessels cook faster!
Q: Can I add nuts or chocolate chips?
A: Absolutely! Throw them in before microwaving for extra texture and yum.
Q: Can I double the recipe for two people?
A: Yes, but microwaves vary. Try separate mugs for consistent results.
Q: Is it safe to microwave in any mug?
A: Stick to microwave-safe ceramic or glass. Avoid metal or decorative mugs with metallic paint.
Q: Can I use dark chocolate instead of cocoa powder?
A: Totally. Melt it with butter first, then follow the same steps. Just note it might change sweetness levels.
Q: Can kids help make this?
A: Definitely! Stirring is safe, microwaving requires supervision. Great “quick dessert bonding” activity.

