Cream butter and sugar in a large bowl with electric mixer at low to medium speed until light. Gradually add flour until combined. Stir in chips by hand. IF dough seems dry or crumbly, it will stick together when shaped in your hands.
Using the palms of your hands roll well rounded teaspoonfuls of dough into 1 inch balls. Place on a ungreased cookie sheets and bake for 12-15 minutes. Cookies will be pale. Let stand on cookie sheet for 2 minutes before removing and dusting with powdered sugar.