Giant 6-Ounce Two-Chip Cookies with Molten Centers Step-by-step instructions

Before you start

Before starting, make sure the butter and eggs are cold—straight from the fridge. Cube the butter into small pieces so it creams evenly. Measure all ingredients and have them ready. Line two baking sheets with parchment paper. Preheat the oven to 410°F (210°C) when you're ready to bake.

If you have a kitchen scale, weigh the dough portions to ensure they're all about 6 ounces each; this is key for even baking. You'll need a stand mixer with a paddle attachment, a whisk, a spatula, and a sharp knife for chopping the chocolate.

Instructions

Phase 1: Mix and Shape the Dough

1. 1Cream the Butter and Sugars
   Place the cubed cold butter, brown sugar, and granulated sugar in the bowl of a stand mixer fitted with the paddle attachment. Mix on low speed just until the mixture comes together and looks sandy, with no large butter chunks. Add the cold eggs one at a time, mixing until just incorporated. Scrape down the sides of the bowl.
   Look for The mixture should look like a thick paste, not fluffy or light.
   Tip Keep the butter cold to ensure the dough stays dense and doesn't spread too much in the oven.
2. 2Mix the Dry Ingredients
   In a separate bowl, whisk together the cake flour, bread flour, cornstarch, baking soda, and kosher salt until evenly combined. Add the dry mixture to the butter mixture in two additions, mixing on low speed after each addition just until no streaks of flour remain. Be careful not to overmix.
   Look for The dough should be thick and slightly sticky, with no dry patches.
   Tip Weighing the flours gives the most consistent results, but spooning and leveling works too.
3. 3Fold in the Chocolate
   Add the rough-chopped dark chocolate and milk chocolate to the dough. Use a spatula to fold until the chocolate is evenly distributed throughout the dough. The dough will be chunky and full of chocolate pieces.
   Look for Every bite should have a mix of both chocolates.
   Tip Chop the chocolate into varied sizes, from small shards to larger chunks, for textural contrast.
4. 4Portion the Dough into 6-Ounce Balls
   Divide the dough into 8 equal portions, each weighing about 6 ounces. Loosely pack each portion into a tall, craggy ball, shaping it into a rough dome rather than a smooth sphere. Do not press the dough too firmly; the craggy surface helps create a textured crust.
   Look for The balls should be about 3 inches tall and 2 1/2 inches wide.
   Tip Chill the shaped dough for 30 minutes if it feels too soft, but it's not required.

At the end of this phase, the dough should be thick, slightly sticky, and full of chocolate chunks. The butter and sugar mixture should look like a coarse paste, not a fluffy cream.

When you shape the balls, they should hold their shape and feel dense. The chocolate should be evenly distributed, with no large pockets of flour. The dough should be cool to the touch. If it's too soft, chill it briefly before shaping.

Phase 2: Bake at High Heat

5. 5Preheat the Oven to 410°F
   Preheat the oven to 410°F (210°C). Line two baking sheets with parchment paper. Place the dough balls on the prepared sheets, spacing them at least 4 inches apart to allow for spreading.
   Look for The oven should be fully preheated before baking.
   Tip Baking at this high temperature is key to getting a crisp exterior and molten center.
6. 6Bake the Cookies
   Bake the cookies for exactly 10 minutes. The edges should be golden brown and the tops lightly caramelized, but the centers will still look slightly underdone. Remove from the oven and let the cookies cool on the baking sheet for 5 minutes before transferring to a wire rack.
   Look for The cookies will look puffed and slightly cracked on top.
   Safe temperature 160°F (71°C) internal temperature (egg dishes)
   Tip Do not overbake; the residual heat continues to set the center as they cool.

After 10 minutes, the cookies should be golden brown around the edges, with the tops looking slightly cracked and the centers still pale and soft. The kitchen will smell intensely of caramelized butter and chocolate. The cookies will be puffed up and may look slightly underdone in the middle—that's perfect. Let them cool on the hot baking sheet for 5 minutes; they will continue to bake from residual heat.

Phase 3: Cool and Serve Warm

7. 7Cool and Serve
   Transfer the cookies to a wire rack and let them cool for at least 5 more minutes. The centers will set slightly but remain soft and gooey. Serve warm for the best molten chocolate experience. Break one open to reveal the lava-like center.
   Look for The cookies should be firm enough to hold their shape but soft in the middle.
   Tip For an extra gooey center, enjoy within 15 minutes of baking.

Once cooled, the cookies should be firm enough to lift without breaking, but the centers should give slightly when pressed. When you break one open, the chocolate should flow like lava, and the interior should be soft and moist, not doughy. The contrast between the crisp exterior and the gooey center is the ultimate sign of success. Serve warm for the best experience.

Common mistakes

One common mistake is overmixing the dough, which can make the cookies tough. Mix just until the flour is incorporated. Another is overbaking—if you leave them in the oven for even a minute too long, the centers will become cakey instead of molten.

Follow the 10-minute rule exactly. Also, don't flatten the dough balls; keep them tall and craggy. If the dough spreads too much in the oven, the butter may have been too warm. Chill the shaped dough for 15 minutes if your kitchen is warm.

How to tell it’s done

The cookies are done when the edges are deep golden brown and the tops are lightly caramelized, with a few cracks showing. The centers will look slightly underdone and may appear soft and shiny. This is exactly what you want.

The internal temperature of the cookies should reach at least 160°F (71°C) to ensure the eggs are fully cooked. If you insert a toothpick into the center, it should come out with a few moist crumbs but no raw dough. Let them cool on the baking sheet for 5 minutes before moving them—they'll continue to set as they cool.

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