Decadent, intensely fudgy, and hiding a molten secret, Chocolate Lava Cookies are the ultimate indulgence for any chocoholic. Inspired by the famous In Bloom Bakery, these oversized treats combine a rich, brownie-like cookie exterior with a core of pure, flowing chocolate ganache that oozes out as soon as you break them open.
On inasrecipes.com, we take bakery-level desserts and break them down for the home kitchen. Master the technique of the stuffed bake, and recipe after recipe, you will build the confidence to create flawless, professional-quality sweets. Delight your dinner guests with this showstopper, and recipe instructions that ensure your chocolate center stays perfectly molten every time!
Lemon Blueberry Cheesecake Cookies
Table of Contents
The Baking Science: Thermal Shields and Hydration
Creating a cookie that is fully baked on the outside but entirely liquid on the inside is an exercise in temperature control and structural integrity:
- The Frozen Ganache Core: The secret to the “lava” is a pre-made chocolate ganache that is scooped and frozen solid before being wrapped in dough. This frozen core acts as a thermal shield. As the cookie bakes, the dough sets quickly while the intense heat of the oven spends most of its energy just thawing the ganache, rather than cooking it.
- Dutch-Processed Cocoa: Using Dutch-processed cocoa powder rather than natural cocoa is crucial. Dutching neutralizes the acidity of the cocoa, resulting in a darker color, a deeper, earthier chocolate flavor, and a softer dough that spreads less—essential for keeping the liquid center trapped inside.
- High Heat, Short Bake: These cookies must be baked at a higher temperature (375°F or 190°C) than standard chocolate chip cookies. The high heat rapidly sets the outer crust of the dough, locking in the molten center before it has a chance to heat up and explode through the sides.

The Recipe: Chocolate Lava Cookies
Prep time: 30 min | Chill time: 2 hrs | Cook time: 10-12 min | Yield: 10 large cookies
Ingredients
For the Molten Lava Core (Ganache):
- 4 oz (115g) high-quality semi-sweet chocolate (chopped)
- 1/3 cup heavy cream
- 1 tbsp unsalted butter
For the Chocolate Cookie Dough:
- 1/2 cup (1 stick) unsalted butter, softened
- 1/2 cup granulated sugar
- 1/2 cup packed light brown sugar
- 1 large egg + 1 egg yolk (room temperature)
- 1 tsp vanilla extract
- 1 1/4 cups all-purpose flour
- 1/2 cup Dutch-processed cocoa powder
- 1/2 tsp baking soda
- 1/2 tsp salt
- 1/2 cup mini chocolate chips

Instructions
1.Prepare the Ganache Cores:2 hours to freeze.
Place the chopped chocolate and butter in a heatproof bowl. In a small saucepan or microwave, heat the heavy cream until just simmering. Pour the hot cream over the chocolate and let sit for 1 minute. Whisk until smooth and glossy. Cover and refrigerate for 30 minutes until scoopable. Scoop 10 equal dollops (about 1 tablespoon each) onto a parchment-lined plate and freeze for at least 1.5 hours until rock solid.
2.Cream the Butter and Sugars:Wet ingredients.
In a large bowl, use a mixer to beat the softened butter, granulated sugar, and brown sugar on medium-high speed until light and fluffy (about 2 minutes). Beat in the egg, egg yolk, and vanilla extract until well combined.
3.Mix the Chocolate Dough:Dry ingredients.
In a separate bowl, whisk together the flour, cocoa powder, baking soda, and salt. Gradually add the dry mixture into the wet ingredients, mixing on low speed just until no dry flour streaks remain. Fold in the mini chocolate chips.
4.Stuff the Cookies:Crucial sealing step.
Divide the dough into 10 equal portions (about 2.5 tablespoons each). Flatten a piece of dough in the palm of your hand. Place a frozen ganache ball in the center. Fold the dough over the ganache, rolling it into a smooth ball. Ensure there are no cracks or exposed ganache, or it will leak in the oven. Place the stuffed dough balls back in the fridge for 20 minutes while the oven preheats.
5.Bake and Cool:10-12 minutes.
Preheat the oven to $375^\circ\text{F}$ ($190^\circ\text{C}$). Place cookies 3 inches apart on a parchment-lined baking sheet. Bake for 10-12 minutes until the edges are set and the tops look slightly matte. Let them cool on the baking sheet for a full 10 minutes before transferring. The centers will still be liquid!

Frequently Asked Questions (FAQ)
What are the ingredients for chocolate lava cookies?
To achieve the perfect contrast between cookie and filling, the recipe is split into two parts. The lava core (ganache) requires high-quality semi-sweet chocolate, heavy whipping cream, and a touch of butter. The cookie dough requires unsalted butter, granulated sugar, brown sugar, eggs, vanilla, all-purpose flour, Dutch-processed cocoa powder, baking soda, salt, and mini chocolate chips for extra texture.
Where was chocolate lava cake invented?
The exact origin of the chocolate lava cake (often called Coulant au Chocolat or molten chocolate cake) is highly contested. The renowned French chef Michel Bras claims to have invented it in 1981 in Laguiole, France, by inserting a frozen chocolate ganache cylinder into cake batter (a technique identical to how we make these cookies!). However, the famous French-American chef Jean-Georges Vongerichten claims he independently invented it in New York City in 1987 when he accidentally pulled a chocolate sponge cake out of the oven too early, discovering the warm, runny center.
How to tell when chocolate lava cakes are done?
Whether making lava cakes or lava cookies, telling when they are done can be tricky because the center is supposed to remain liquid. For these cookies, watch the edges and the surface: they are done when the edges are firm to the touch, and the top has lost its raw, wet shine and taken on a matte finish. For traditional lava cakes baked in ramekins, the edges should be fully set and pull away slightly from the sides, but the center inch should still jiggle when gently shaken.
How long can chocolate lava cake last?
- At room temperature: Baked lava cookies or lava cakes can stay in an airtight container for up to 3 days.
- In the refrigerator: They will last up to 5 days.
- How to reheat: To get the “lava” flowing again, do not eat them cold! Microwave a single cookie or cake for 10 to 15 seconds. If you reheat them in the oven, you risk overbaking the center, turning the lava into a solid fudge.

Chocolate Lava Cookies (In Bloom Bakery Style)
- Total Time: 2 hours 42 minutes
- Yield: 10 large cookies 1x
Description
Decadent chocolate cookies with a rich molten ganache center, made with cocoa powder, chocolate chips, and a buttery chocolate dough.
Ingredients
- 4 oz (115g) high-quality semi-sweet chocolate, chopped
- 1/3 cup heavy cream
- 1 tbsp unsalted butter
- 1/2 cup (1 stick) unsalted butter, softened
- 1/2 cup granulated sugar
- 1/2 cup packed light brown sugar
- 1 large egg + 1 egg yolk, room temperature
- 1 tsp vanilla extract
- 1 1/4 cups all-purpose flour
- 1/2 cup Dutch-processed cocoa powder
- 1/2 tsp baking soda
- 1/2 tsp salt
- 1/2 cup mini chocolate chips
Instructions
- Place the chopped chocolate and butter in a heatproof bowl.
- Heat the heavy cream in a small saucepan or microwave until just simmering.
- Pour the hot cream over the chocolate and let sit for 1 minute.
- Whisk until smooth and glossy.
- Cover and refrigerate for 30 minutes until scoopable.
- Scoop 10 equal dollops, about 1 tablespoon each, onto a parchment-lined plate.
- Freeze the ganache for at least 1 1/2 hours until rock solid.
- Beat the softened butter, granulated sugar, and brown sugar on medium-high speed until light and fluffy, about 2 minutes.
- Beat in the egg, egg yolk, and vanilla extract until well combined.
- Whisk together the flour, cocoa powder, baking soda, and salt in a separate bowl.
- Gradually add the dry mixture to the wet ingredients, mixing on low speed just until no dry flour streaks remain.
- Fold in the mini chocolate chips.
- Divide the dough into 10 equal portions, about 2 1/2 tablespoons each.
- Flatten one portion of dough in the palm of your hand.
- Place a frozen ganache ball in the center.
- Fold the dough over the ganache and roll it into a smooth ball, ensuring there are no cracks or exposed ganache.
- Place the stuffed dough balls in the refrigerator for 20 minutes while the oven preheats.
- Preheat the oven to 375°F (190°C).
- Place the cookies 3 inches apart on a parchment-lined baking sheet.
- Bake for 10 to 12 minutes until the edges are set and the tops are baked.
Notes
Seal each cookie completely around the frozen ganache to prevent the molten center from leaking during baking.
- Prep Time: 30 minutes
- Cook Time: 12 minutes
- Category: Dessert
- Method: Au Four
- Cuisine: Américaine
Nutrition
- Serving Size: 1 large cookie
- Calories: 410
- Sugar: 30g
- Sodium: 230mg
- Fat: 24g
- Saturated Fat: 15g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 48g
- Fiber: 4g
- Protein: 6g
- Cholesterol: 75mg
