5 cookies with america test kitchen Recipes

unsalted butter, divided, dark brown sugar, divided (2 cup packed), white sugar (1/4 cup), all-purpose flour (2 cup plus 2 tbsp), baking soda, baking powder, vanilla extract, table salt, egg, egg yolk (from a large egg)

unbleached all-purpose flour, baking soda, baking powder, table salt, sugar , plus, sugar, for rolling, cream cheese, cut into 8 pieces, unsalted butter, melted and still warm, vegetable oil, egg, milk, vanilla extract

unbleached all-purpose flour (8 3/4 oz), baking soda, unsalted butter (1 3/4 sticks), granulated sugar (3 1/2 oz), dark brown sugar (5 1/4 oz), salt, vanilla extract, egg, egg yolk, bittersweet chocolate chips (ghirardelli recommended) or 1 1/2 cups semi-sweet chocolate chips (ghirardelli recommended), chopped pecans (optional) or 3/4 cup walnuts, toasted (optional)

egg yolk, heavy cream, vanilla extract, unsalted butter , softened but still cool (2 sticks), sugar (about 4 3/4 oz), salt, unbleached all-purpose flour (10 oz)