Chocolate Lava Cake

A chocolate lava cake is a single-portion molten chocolate cake with a warm, gooey center that flows out when you cut into it. The magic is baking it just long enough for the edges to set while the middle stays liquid. This works because you underbake it on purpose, and the residual heat keeps the outside firm while the inside stays soft.

Ingredients for Chocolate Lava Cake

Butter and chocolate form the rich base that melts together. Sugar sweetens and helps the batter come together. Eggs provide structure and lift so the cake rises around the molten center. Flour gives it just enough structure to hold its shape. Salt brightens the chocolate flavor. Vanilla extract adds depth without tasting like vanilla.

Why This Chocolate Lava Cake Works

The batter is rich and dense, more like brownie batter than regular cake batter. This density means it bakes slowly from the outside in, so the edges firm up while the center stays warm and liquid.

You bake it at a high temperature for a short time, just 12 to 14 minutes depending on your oven and pan. The edges pull away slightly from the sides and the top looks set, but the center jiggles a little when you shake the pan. That jiggle is the molten chocolate, and it’s exactly what you want.

Room-temperature butter and eggs mix into a smooth batter that bakes evenly. Cold butter would make lumps, and cold eggs would cool the batter down and change the bake time.

Mistakes To Avoid

Overbaking is the most common mistake. If you bake it too long, the center hardens and you lose the molten quality. Check it at 12 minutes and watch the jiggle: a barely-set top with a jiggly center means it is done.

Using cold butter and eggs changes the bake time and can cause the center to set before you want it to. Always let them sit on the counter for 30 minutes before you start mixing.

Skipping the butter coating in the pan means the cake may stick when you try to turn it out or eat it. Brush every surface, including the rim, with soft butter or use cooking spray.

Filling the muffin cups too full makes the batter overflow and bakes the center too quickly. Fill each cup just over halfway so there is room for the cake to rise.

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Ingredients

• 4 ounces unsweetened chocolate, chopped
• 1/2 cup unsalted butter (115 grams), at room temperature
• 1/4 cup granulated sugar (50 grams)
• 2 large eggs, at room temperature
• 1/4 cup all-purpose flour (30 grams), spooned and leveled
• 1/4 teaspoon salt
• 1/4 teaspoon vanilla extract

Step-by-step Instructions

1. Heat the oven to 425°F (220°C). Butter four muffin cups or 4-ounce ramekins on all sides, including the rim.
2. Chop the chocolate and place it in a microwave-safe bowl with the butter. Microwave in 30-second bursts, stirring between each one, until melted and smooth, about 1 minute total.
3. In a separate bowl, whisk together the sugar and eggs on medium-high speed until pale and thick, about 3 minutes. The mixture should nearly triple in volume.
4. Pour the melted chocolate and butter into the egg mixture. Fold together gently with a rubber spatula until no streaks of egg remain, about 6 folds.
5. Sift the flour and salt together, then fold into the chocolate mixture until just combined. Do not overmix. Fold in the vanilla extract.
6. Divide the batter evenly among the prepared cups, filling each just over halfway.
7. Bake at 425°F (220°C) for 12 to 14 minutes, until the edges look set and pull away slightly from the sides, but the center jiggles when you gently shake the pan.
8. Remove from the oven and let rest for 1 minute. If using a muffin tin, run a small knife around the edge and turn the cake out onto a plate. If using ramekins, serve in the dish.