INGREDIENTS
1 cup
unsalted butter
1/3 cup
granulated sugar
1/2 cup
light-brown sugar
1
large egg yolk
2 tsp
vanilla extract
2 1/2 cups
all-purpose flour {I think they got a little overzealous with the flour…try 2 cups first, and work your way up}
1/2 tsp
salt
1 1/2 cups
semi-sweet mini-chocolate chips