Best Chocolate Chip Cookies

"Crisp edges, chewy middles."
Ingredients
1 cup butter softened
1 cup white sugar
1 cup packed brown sugar
2 eggs
2 teaspoons vanilla extract
3 cups all-purpose flour

All recipe here :
http://allrecipes.com/recipe/10813/best-chocolate-chip-cookies/?internalSource=rotd&referringId=839&referringContentType=recipe%20hub

source: allrecipes.com