HOW to make CHOCOLATE LAVA CAKE in a MUG

HOW to make CHOCOLATE LAVA CAKE in a MUG is a easy American recipe that serves 2. 350 calories per serving. Recipe by Steve Owens on YouTube.

Prep: 4 min | Cook: 1 min | Total: 15 min

Cost: $1.48 total, $0.74 per serving

Ingredients

  • 3 tablespoons Unsalted Butter (about 40 g, melted)
  • 3 tablespoons Granulated Sugar
  • 4 tablespoons All-Purpose Flour
  • 2 tablespoons Unsweetened Cocoa Powder
  • 1 pinch Salt
  • 3 tablespoons Full‑Cream Milk
  • 1 piece Large Egg
  • 0.5 teaspoon Baking Powder
  • 1 ounce Milk Chocolate (Cadbury’s milk chocolate, cut into a square)
  • 1 tablespoon Water
  • to taste sprinkle Icing Sugar (For dusting after cooking)

Instructions

  1. Melt Butter

    Place 3 Tbsp (≈40 g) butter in the mug and microwave for about 20 seconds until softened but not fully liquid.

    Time: PT20S

  2. Add Dry Ingredients

    Stir in 3 Tbsp sugar, 4 Tbsp all‑purpose flour, 2 Tbsp unsweetened cocoa powder, and a pinch of salt. Mix until just combined.

    Time: PT1M

  3. Incorporate Wet Ingredients

    Add 3 Tbsp full‑cream milk, 1 large egg, and ½ tsp baking powder. Whisk until you have a thick, smooth batter.

    Time: PT1M

  4. Place Chocolate Center

    Press the 1 oz piece of milk chocolate into the centre of the batter, ensuring it is mostly covered.

    Time: PT30S

  5. Add Water

    Pour 1 Tbsp water over the chocolate piece. This will create steam that keeps the centre molten.

    Time: PT15S

  6. Microwave Cook

    Microwave on high (≈1000 W) for 1 minute 20 seconds. The edges should be set while the centre remains slightly soft.

    Time: PT1M20S

  7. Finish and Serve

    Dust the top with a light sprinkle of icing sugar. Let stand 1 minute, then enjoy straight from the mug or invert onto a plate.

    Time: PT30S

Nutrition Facts

Calories
350
Protein
6 g
Carbohydrates
45 g
Fat
18 g
Fiber
3 g

Dietary info: Vegetarian

Allergens: Milk, Egg, Wheat, Soy (cocoa)

Last updated: April 21, 2026

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HOW to make CHOCOLATE LAVA CAKE in a MUG

Recipe by Steve Owens

An indulgent, gooey chocolate lava cake made in a single oversized mug, perfect for sharing on Valentine’s Day or any sweet craving. The recipe combines butter, sugar, flour, cocoa, milk, egg, and a piece of chocolate that melts into a molten center, all cooked quickly in the microwave.

EasyAmericanServes 2

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
2m
Prep
1m
Cook
10m
Cleanup
13m
Total

Cost Breakdown

$1.48
Total cost
$0.74
Per serving

Critical Success Points

  • Melt butter without burning
  • Mix batter to a thick, smooth consistency
  • Place chocolate piece fully surrounded by batter
  • Add water over chocolate
  • Microwave for exactly 1 minute 20 seconds

Safety Warnings

  • Mug will be extremely hot after microwaving – use a towel or oven mitts.
  • Raw egg is cooked by the microwave; ensure the centre reaches a safe temperature.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of chocolate lava cake in modern American dessert cuisine?

A

Chocolate lava cake, also known as molten chocolate cake, became popular in the 1980s as a luxurious yet quick dessert. In the United States it is often served for romantic occasions like Valentine’s Day, symbolizing indulgence and shared sweetness.

cultural
Q

What are the traditional regional variations of molten chocolate cake in French versus American cuisine?

A

The French version, called "fondant au chocolat," is usually baked in ramekins and has a slightly firmer crust. The American mug‑cake adaptation uses a microwave for speed and often features a larger, gooier center, making it ideal for casual home cooking.

cultural
Q

How is chocolate lava cake traditionally served in American restaurants?

A

It is typically plated with a dusting of powdered sugar, a scoop of vanilla ice cream, and fresh berries. The contrast of hot molten chocolate with cold ice cream is a classic presentation.

cultural
Q

What occasions or celebrations is chocolate lava mug cake traditionally associated with in American culture?

A

Chocolate lava mug cake is popular for Valentine’s Day, anniversaries, birthdays, and any moment when a quick, romantic dessert is desired. Its share‑able size makes it perfect for couples.

cultural
Q

How does chocolate lava mug cake fit into the broader American dessert tradition?

A

It reflects the American love for convenience and portion control, turning a classic restaurant dessert into a single‑serve, microwave‑ready treat that can be made in minutes.

cultural
Q

What are the authentic traditional ingredients for chocolate lava cake versus acceptable substitutes?

A

Traditional ingredients include high‑quality dark or milk chocolate, butter, sugar, flour, cocoa powder, eggs, and a leavening agent. Acceptable substitutes are margarine for butter, gluten‑free flour blends, plant‑based milks, and sugar alternatives like coconut sugar.

cultural
Q

What common misconceptions exist about chocolate lava mug cake?

A

Many think the cake must be baked in an oven; however, the microwave method achieves the same molten center in far less time. Another myth is that the cake is a soufflé – it actually relies on steam from added water to stay gooey.

cultural
Q

What are the most common mistakes to avoid when making chocolate lava mug cake?

A

Overcooking the mug cake will solidify the center, and skipping the tablespoon of water can prevent the molten texture. Also, using a non‑microwave‑safe mug can cause cracking or uneven heating.

technical
Q

Why does this chocolate lava mug cake recipe use a tablespoon of water over the chocolate center?

A

The water creates steam during microwaving, which keeps the chocolate core from hardening and ensures a luscious, runny lava center while the outer batter sets.

technical
Q

What does the YouTube channel Steve Owens specialize in?

A

The YouTube channel Steve Owens focuses on quick, approachable home‑cooking tutorials, especially single‑serve mug meals and desserts that can be prepared with minimal equipment and in under 10 minutes.

channel

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