Perfect Chocolate Chip Cookies

INGREDIENTS

2 cups

plus 2 Tbsp all-purpose flour

1/2 tsp

baking soda

1/2 tsp

salt

12 tbsp

butter ((1 1/2 sticks) melted and cooled until warm)

1 cup

brown sugar

1/2 cup

granulated sugar

large egg + 1 egg yolk

2 tsp

vanilla extract

1 1/2 cups

semi-sweet chocolate chips ((or milk chocolate))