Ingredients
Method
- Preheat oven to 350°F (175°C).
- Mix butter and sugars until smooth.
- Add egg, yolk, and vanilla.
- Stir in dry ingredients.
- Fold in chocolate chips.
- Spread dough in skillet.
- Bake 20–25 minutes until edges set.
- Rest briefly and serve warm.
Notes
- Do not overbake
- Serve warm for gooey texture
