Ingredients
- 2 tbsp butter, softened
- 2 tbsp brown sugar
- 1 tbsp white sugar
- 1 egg yolk
- 1/2 tsp vanilla
- 1/3 cup flour
- 1/8 tsp salt
- 1/8 tsp baking soda
- 1/8 tsp cream of tartar
- 1/4 cup chocolate chips
Steps
- Preheat oven to 350 F. Grease 5-inch cast iron skillet.
- Combine butter and sugars. Add egg yolk and vanilla. In another small bowl combine flour, salt, baking soda, and cream of tartar.
- Add dry ingredients to butter mixture and combine until fully incorporated. Stir in chocolate chips. Press dough into skillet and bake for 12-14 minutes.