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Desserts · Part 2 of 3: Instructions

Crockpot Matcha White Chocolate Molten Lava Cake Step-by-step instructions

A warm bowl of matcha molten lava cake with a scoop of vanilla ice cream on a wooden table.
Prep
Cook
Total
Serves
6
Includes 10 min resting

Before you start

Before beginning, ensure all ingredients are at room temperature to allow for even mixing and cooking. Prepare your 6-quart Crockpot by greasing the interior thoroughly with butter or a neutral oil to facilitate easy serving.

Have your serving bowls and a scoop ready nearby so you can plate the cake immediately once it is finished cooking, ensuring the center remains perfectly warm and molten for the best possible tasting experience.

Ingredients at a glance (3)
  • 2 cups prepared matcha cake batter
  • 8 oz matcha white chocolate ganache truffles
  • vanilla bean ice cream, for serving

Instructions

Batter Preparation

  1. Prepare the Batter
    Whisk the matcha cake batter in a large mixing bowl until the color is vibrant and uniform, ensuring no clumps remain. This base provides the structural sponge for the dessert.
    Look for The batter should be smooth, vibrant green, and pourable.
    Tip Ensure the matcha powder is sifted before mixing to avoid any bitter pockets.

The batter must be completely smooth and free of any dry flour pockets or lumps of matcha. It should have a vibrant, consistent emerald green color throughout, indicating that the matcha has been properly incorporated with the white chocolate and cake base ingredients.

Slow Cooking

  1. Layer and Slow Cook
    Pour the matcha batter into the greased Crockpot insert. Tuck the matcha white chocolate ganache truffles into the center of the batter, ensuring they are fully covered. Cover the Crockpot and cook on HIGH for 2 hours until the edges are set. Ensure the center reaches 160°F (71°C) to safely cook the eggs.
    Look for The edges of the cake should be firm and set, while the center remains soft.
    Safe temperature 160°F (71°C) internal temperature (egg dishes)
    Tip Do not lift the lid during cooking to maintain consistent heat.

During the cooking phase, the cake will rise and the edges will pull away slightly from the sides of the Crockpot. The smell should be fragrant and sweet, with the distinct aroma of matcha and vanilla filling the kitchen as the cake sets into its final form.

Final Plating

  1. Serve and Enjoy
    Carefully scoop the warm cake into ceramic bowls, ensuring each portion includes some of the molten center. Serve immediately while warm with a generous scoop of vanilla bean ice cream.
    Look for The center should be warm and flowing like lava.
    Tip Use a warm spoon to serve for a cleaner scoop.

The final result should show a clear contrast between the firm, cake-like exterior and the rich, flowing center.

When scooped, the molten lava should pour out naturally, coating the cake and blending seamlessly with the melting vanilla bean ice cream served in the bowl.

Common mistakes

A common mistake is overcooking the cake, which can cause the molten center to solidify and the sponge to lose its delicate texture.

Always monitor the cooking time closely and avoid opening the Crockpot lid during the process, as this releases essential steam and heat, which can lead to uneven cooking and a dry, rubbery sponge that does not provide that signature lava effect.

How to tell it’s done

The cake is done when the outer edges are fully set and appear firm to the touch, while the center remains slightly soft and gives way easily when tested with a spoon.

A digital thermometer should register at least 160°F (71°C) in the center of the sponge to ensure the egg-based batter is safely cooked through, while the internal ganache will remain liquid and flowing.

  • Egg dishes: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this be made in a standard oven?
  • Why did the molten center solidify?
  • Is it possible to use a different type of tea?

Also in Part 3: variations (Dark Chocolate Twist, Citrus Infusion), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)