Preheat oven to 375°F.

Mix sugars, butter, vanilla and egg in large bowl. Stir in flour, baking soda and salt. Stir in chocolate chips. Drop dough by rounded tablespoonfuls about 2 inches apart onto ungreased cookie sheet.

Bake 8 to 10 minutes or until light brown. Cool slightly; remove from cookie sheet. Cool on wire rack.