KETO CHOCOLATE LAVA MUG CAKE

KETO CHOCOLATE LAVA MUG CAKE is a easy American recipe that serves 1. 300 calories per serving. Recipe by Joe Duff - The Diet Chef on YouTube.

Prep: 6 min | Cook: 2 min | Total: 13 min

Cost: $52.22 total, $52.22 per serving

Ingredients

  • 1 large egg Large Egg (room temperature)
  • 7 grams Unsalted Butter (melted, half tablespoon)
  • 0.25 teaspoon Vanilla Extract (pure vanilla extract)
  • 28 grams Almond Flour (sifted, fine texture)
  • 20 grams Swerve Sweetener (zero net carbs, erythritol blend)
  • 5 grams Unsweetened Cocoa Powder (dark cocoa, Hershey's recommended)
  • 0.5 teaspoon Baking Powder (aluminum‑free)
  • 21 grams Lily's Zero Net Carb Chocolate Chips (for the lava center)
  • 0.5 teaspoon Unsweetened Vanilla Almond Milk (helps melt chocolate chips)
  • 14 grams Lily's Zero Net Carb Chocolate Chips (for glaze) (optional, for topping)
  • 1 scoop Keto Vanilla Ice Cream (optional, for serving)

Instructions

  1. Measure Ingredients

    Weigh and measure all ingredients using a food scale and measuring spoons.

    Time: PT2M

  2. Combine Wet Ingredients

    In the mixing bowl, whisk together the large egg, melted butter, and vanilla extract until fully combined.

    Time: PT1M

  3. Add Dry Ingredients and Form Batter

    Add almond flour, Swerve sweetener, unsweetened cocoa powder, and baking powder to the bowl. Stir with a spatula until a thick, uniform batter forms.

    Time: PT2M

  4. Prepare Ramekin

    Spray the 8‑ounce ramekin (or mug) with cooking spray to prevent sticking.

    Time: PT30S

  5. Fill Ramekin with Batter

    Spoon two‑thirds of the batter into the prepared ramekin if using the microwave method; reserve the remaining batter for later.

    Time: PT30S

  6. First Microwave Cook

    Microwave on high for about 20 seconds (adjust based on your microwave’s power).

    Time: PT20S

  7. Prepare Chocolate Lava

    In a small bowl, combine 21 g of Lily's chocolate chips with 0.5 tsp unsweetened vanilla almond milk; set aside.

    Time: PT1M

  8. Add Lava and Remaining Batter

    Remove the ramekin, sprinkle the chocolate chip mixture into the center, then gently cover with the remaining batter.

    Time: PT30S

  9. Final Microwave Cook

    Microwave again for another 20 seconds, or until the center looks slightly wet and the chocolate is molten.

    Time: PT20S

  10. Optional Chocolate Glaze

    Melt 14 g of Lily's chocolate chips with 0.5 tsp almond milk in the microwave (15 seconds) or in a small pan; stir until smooth.

    Time: PT15S

  11. Serve

    Drizzle the chocolate glaze over the cake and add a scoop of keto vanilla ice cream if desired. Enjoy while warm.

    Time: PT30S

Nutrition Facts

Calories
300
Protein
10 g
Carbohydrates
5 g (net 2 g)
Fat
20 g
Fiber
3 g

Dietary info: Keto, Low‑carb, Gluten‑free, Sugar‑free, Paleo‑friendly

Allergens: Eggs, Dairy, Tree nuts, Soy

Last updated: April 21, 2026

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KETO CHOCOLATE LAVA MUG CAKE

Recipe by Joe Duff - The Diet Chef

A single‑serve, low‑carb chocolate lava cake made in a mug or ramekin. The cake has a moist almond‑flour base and a gooey, zero‑net‑carb chocolate center that melts in the microwave in just minutes – perfect for a quick keto dessert.

EasyAmericanServes 1

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

Source Video
6m
Prep
0m
Cook
10m
Cleanup
16m
Total

Cost Breakdown

$52.22
Total cost
$52.22
Per serving

Critical Success Points

  • Form batter until thick and uniform (step 3)
  • First microwave cook to set edges (step 6)
  • Add lava and cover with remaining batter (step 8)
  • Final microwave cook to achieve a slightly wet center (step 9)

Safety Warnings

  • The ramekin will be hot after microwaving – use a kitchen towel or oven mitts.
  • Melted butter and chocolate can cause burns; handle with care.

Frequently Asked Questions

Everything you need to know about this recipe

Q

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

A

Chocolate lava cake, also known as molten chocolate cake, became popular in the 1980s in upscale American restaurants as a dramatic, indulgent dessert that combines a baked cake exterior with a liquid chocolate center.

cultural
Q

How has the traditional chocolate lava cake been adapted for a keto diet in the Keto Chocolate Lava Mug Cake from YouTube channel Joe Duff - The Diet Chef?

A

Joe Duff replaces wheat flour with almond flour, uses zero‑net‑carb sweeteners like Swerve, and incorporates Lily's sugar‑free chocolate chips, creating a low‑carb version that still delivers the signature molten center.

cultural
Q

What are the authentic traditional ingredients for chocolate lava cake versus the keto substitutes used in this recipe?

A

Traditional lava cake uses all‑purpose flour, granulated sugar, and regular chocolate. The keto version swaps almond flour for flour, Swerve for sugar, and Lily's zero‑net‑carb chocolate chips for regular chocolate, keeping the net carbs near zero.

cultural
Q

What occasions or celebrations is a chocolate lava cake traditionally associated with in American cuisine?

A

Chocolate lava cake is often served as a special dessert for birthdays, anniversaries, and fine‑dining experiences because of its impressive presentation and rich flavor.

cultural
Q

What other low‑carb or keto-friendly dishes pair well with the Keto Chocolate Lava Mug Cake from Joe Duff - The Diet Chef?

A

It pairs nicely with a scoop of keto vanilla ice cream, a dollop of whipped heavy cream, or a side of fresh berries that add a low‑carb fruity contrast.

cultural
Q

What makes the Keto Chocolate Lava Mug Cake special or unique in keto dessert cuisine?

A

The cake delivers a classic molten‑center experience while staying under 5 g net carbs per serving, using almond flour for texture and sugar‑free chocolate chips for a truly guilt‑free indulgence.

cultural
Q

How does the YouTube channel Joe Duff - The Diet Chef specialize in low‑carb cooking?

A

Joe Duff - The Diet Chef focuses on creating tasty, easy‑to‑make low‑carb and keto recipes that use simple ingredients and minimal equipment, often demonstrating single‑serve or quick meals for busy lifestyles.

channel
Q

What are the most common mistakes to avoid when making the Keto Chocolate Lava Mug Cake at home?

A

Common mistakes include over‑cooking the microwave intervals, which dries the cake, and not using enough melted butter, which can make the batter too thick. Also, be sure to add the chocolate chips after the first cooking burst so they melt properly.

technical
Q

Why does this Keto Chocolate Lava Mug Cake recipe use almond flour instead of coconut flour?

A

Almond flour provides a moist, cake‑like crumb without the dryness that coconut flour can cause unless extra liquid is added. It also keeps the carb count low while giving a richer texture.

technical
Q

Can I make the Keto Chocolate Lava Mug Cake ahead of time and how should I store it?

A

Yes, you can prepare the batter and keep it refrigerated for up to 24 hours. Store the cooked cake in an airtight container in the fridge for 2 days, or freeze for up to a month and reheat briefly in the microwave before serving.

technical

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