Desserts · Part 2 of 3: Instructions
Ultra-Gooey Cast-Iron Skillet Chocolate Chip Cookie Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before you begin, ensure your oven is preheated to 375°F (190°C) to allow for an immediate start once the dough is mixed. Have all your ingredients measured out and within reach, as the process moves quickly once the butter is browned.
Ensure your cast-iron skillet is clean and lightly seasoned. If you are using a new skillet, verify that it is properly seasoned to prevent sticking. Gather your mixing tools, such as a sturdy wooden spoon or heat-resistant spatula, to combine the ingredients directly in the hot pan.
Ingredients at a glance (8)
- 1/2 cup unsalted butter
- 1/2 cup brown sugar
- 1 large egg
- 1 tsp vanilla extract
- 1 cup all-purpose flour
- 1 cup dark chocolate wafers
- 2 scoops vanilla bean ice cream
- 1/4 cup hot fudge sauce
Instructions
Butter Browning
- Brown the ButterPlace the 8-inch cast-iron skillet over medium heat. Add the butter and cook, stirring occasionally, until it turns golden brown and develops a nutty aroma. Remove the skillet from the heat and allow it to cool slightly before proceeding to ensure the egg does not scramble upon contact.Look for The butter should foam and then turn a deep golden brown with a toasted fragrance.Tip Watch the butter closely during browning as it can transition from perfectly toasted to burnt very quickly.
The butter will foam and sizzle as the water evaporates. Watch for the milk solids at the bottom of the pan to turn a rich, golden brown. You will immediately notice a toasted, nutty aroma that signals it is time to remove the pan from the heat. The butter should look clear and golden with tiny brown specks throughout, indicating it is ready to be used.
Dough Incorporation
- Mix the DoughAdd the brown sugar, egg, and vanilla extract directly into the skillet with the browned butter. Whisk or stir vigorously until the mixture is smooth and well-combined. Gradually fold in the all-purpose flour until just incorporated, then stir in the dark chocolate wafers until evenly distributed throughout the skillet.Look for The dough should be uniform in color and texture with no visible streaks of flour remaining.Safe temperature 160°F (71°C) internal temperature (egg dishes)Tip Mixing directly in the skillet saves clean-up and keeps the residual warmth of the pan working for you.
The dough should be cohesive and glossy once the flour is added. The dark chocolate wafers should be evenly distributed throughout the mixture.
Ensure there are no dry pockets of flour remaining at the bottom or sides of the skillet. The texture should feel thick and pliable, ready to be spread into an even layer to ensure uniform baking throughout the entire skillet.
Bake and Finish
- Bake and ServePlace the skillet into a preheated oven at 375°F (190°C). Bake for exactly 15 minutes, or until the edges are golden brown and caramelized while the center remains slightly soft. Remove from the oven and let rest for 5 minutes. Top with generous scoops of vanilla bean ice cream and a drizzle of hot fudge before serving warm.Look for The edges should be firm and golden, while the center should still look glossy and slightly soft.Tip Serve immediately from the skillet for the best experience, allowing guests to scoop directly from the hot pan.
The cookie is done when the edges are deep golden brown and firm to the touch. The center will still have a slight jiggle, which is exactly what you want for a gooey texture. After resting for five minutes, the cookie will be firm enough to scoop but still warm enough to melt the vanilla ice cream and hot fudge topping perfectly.
Common mistakes
A common mistake is burning the butter; keep a close eye on the skillet, as it can go from brown to black in seconds. Another error is overmixing the flour, which creates a tough texture instead of a tender crumb; stir only until the flour is just incorporated.
Finally, failing to let the butter cool before adding the egg can lead to cooked, scrambled egg bits in your dough, which ruins the texture. Always follow the rest time to ensure the proper consistency.
How to tell it’s done
The cookie is ready when the edges are visibly golden brown, set, and slightly pulling away from the sides of the skillet. The center should appear soft, glossy, and slightly underbaked to maintain that signature gooey texture.
Because the skillet retains heat long after it is removed from the oven, the residual cooking will finish setting the center during the five-minute resting period. Do not overbake, as this will result in a hard, dry cookie rather than the desired molten dessert.
- Egg dishes: 160°F (71°C) in the thickest part
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)