½ pound salted butter, one cube room temp, one cube melted and cooled
1 C granulated sugar
1 ½ C brown sugar
1 ½ t vanilla
3 egg yolks
3 C flour
1 ½ t baking soda
1 ½ t salt
2 ½ C chocolate chips
Combine the butter with the sugars and vanilla and beat until fluffy. Add the egg yolks and beat until well combined. Stir in the dry ingredients and stir in the chocolate chips. Place dough in large scoops on a parchment lined baking sheet. Keep plenty of space between them because they will spread. Bake 350 for 15-20 minutes.
Makes 2 dozen large cookies.