Made with pantry staples and chocolate chips, this chocolate lava cake comes together in one bowl and cooks right in the slow cooker. A simple cocoa and sugar topping plus hot water create a warm, fudgy sauce underneath while the cake bakes on top. It’s an easy, hands-off dessert that’s ready to serve with a scoop of ice cream when you want something rich without turning on the oven.

Two bowls of chocolate lava cake topped with ice cream on a blue surface, with a striped kitchen towel and a spoon nearby.

Everything You Need Is Already in Your Pantry

Slow cooker chocolate cake feels a little bit like cheating. You stir everything together in one bowl, pour it into the slow cooker, sprinkle a quick sugar and cocoa layer, and pour hot water on top.

That hot water you pour over at the end sinks down, turns into a glossy sauce. This leaves the top set just enough to spoon out in big, warm scoops, like a self-saucing pudding or lava cake.

This crock pot chocolate lava cake has the same comforting appeal as an old fashioned chocolate cobbler and warm chocolate bread pudding, simple ingredients, minimal effort, and a warm, fudgy payoff that’s meant to be served by the scoop.

Slow cooker chocolate lava cake in the crock with a spoonful scooped out, topped with melting vanilla ice cream.

Plan to serve this right when it’s done. The cake keeps cooking from the residual heat, so the longer it sits, the thicker and more set that gooey layer becomes. It’s still good later, but for a true molten center, timing matters.

Two bowls of slow cooker chocolate lava cake with ice cream in front of a slow cooker, with a spoon and a small scoop of extra ice cream on the side.

Chocolate, Pantry Staples, And A Slow Cooker

You can find the full ingredient list with exact amounts in the recipe card at the bottom of the post, but here are a few helpful notes.

Overhead view of slow cooker chocolate lava cake ingredients laid out on a blue surface, including sugar, flour, cocoa powder, chocolate chips, baking powder, brown sugar, butter, milk, and vanilla.

Cocoa Powder: Unsweetened cocoa is what you need. You can use regular or a darker cocoa if you want a more intense flavor.
Chocolate Chips: Semi-sweet chips keep things balanced. Use dark chocolate chips if you want a stronger chocolate flavor.

This recipe works best in a 5–6 quart slow cooker for the right cake-to-sauce ratio.

Mix and Let the Slow Cooker Do the Rest

Step One: Prep the Batter

Glass measuring bowl filled with whisked dry chocolate cake ingredients and a metal whisk resting on top. — Whisk flour, sugar, cocoa powder, baking powder, and salt.

Mixing bowl of thick chocolate cake batter being stirred with a pink spatula, streaked with dry ingredients. — Stir in the melted butter, milk, and vanilla.

Chocolate cake batter in a glass bowl with a pile of chocolate chips on top, ready to be folded in. — Fold in chocolate chips.

Slow cooker insert filled with thick chocolate cake batter spread evenly across the bottom before baking. — Spread this mixture evenly over the bottom of the slow cooker.

Step Two: Make the Topping and Sprinkle On Top

Glass bowl of cocoa powder, brown sugar, and granulated sugar piled together before mixing. — Combine the remaining sugar, brown sugar, and the rest of the cocoa powder.

Slow cooker insert covered with an even layer of dry cocoa and sugar mixture sprinkled over the chocolate batter. — Sprinkle this mixture evenly over the batter in the slow cooker.

Step Three: Pour the Hot Water and Bake

Slow cooker insert filled with hot chocolate liquid poured over the batter, with an electric kettle in the background. — Carefully pour very hot water over the top of the sugar and cocoa layer.

Whole chocolate lava cake just finished baking in the slow cooker, with a craggy, set chocolate top. — Cover and cook on high until the top looks set and slightly firm.

When you want a rich chocolate dessert recipe without turning on the oven, this slow cooker lava cake delivers every time. Simple ingredients, minimal prep, and a warm, gooey center make it hard to beat.

A collage of desserts in a block promoting baking equipment.

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Overhead shot of a bowl of chocolate lava cake with ice cream, showing the fudgy center and melted ice cream, with a second bowl partially visible in the background.

Chocolate Lava Cake You Can Make in the Slow Cooker

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Prep Time: 10

Cook Time: 1 30

Total Time: 1 40

Servings:

Calories: 430kcal

Author: Barbara Curry

Equipment

Slow Cooker

Ingredients

1 ¼ cups sugar divided
1 cup flour
6 tablespoons cocoa powder divided
2 teaspoons baking powder
¼ teaspoon salt
½ cup milk
⅓ cup butter melted
1 ½ teaspoons vanilla
1 cup chocolate chips
½ cup brown sugar
1 ½ cups hot water

Instructions

In a large mixing bowl, whisk together ¾ cups sugar, flour, 3 tablespoons cocoa, baking powder and salt.
Add melted butter, milk and vanilla and stir to combine. Mix in the chocolate chips. Spread evenly into the bottom of the slow cooker.
In a small bowl, combine ½ cup sugar, brown sugar and 3 tablespoons cocoa powder. Mix together and sprinkle over the chocolate mixture in the slow cooker.
Pour very hot water over the top. Do not stir.
Cook on high for 1 ½ to 2 hours. Check at 1 ½ hours, there should be some gooey parts when a knife is inserted, but the top should be slightly firm to the touch.
Serve immediately, it will continue to cook in the slow cooker even if it has been turned off.

Notes

Reheat: Warm individual portions gently in the microwave. It will not be quite as molten as when it was freshly cooked, but it will still taste rich and chocolatey.