How to make chocolate chip cookies

1 1/2 cups butter or margarine, softened

1 1/4 cups granulated sugar

1 1/4 cups packed brown sugar

1 tablespoon vanilla

2 eggs

4 cups all-purpose flour

2 teaspoons baking soda

1 teaspoon salt

1 package (24 ounces) semisweet chocolate chips (4 cups)

1.Heat oven to 350ºF. Mix butter, sugars, vanilla and eggs in large bowl using spoon. Stir in flour, baking soda and salt. Stir in chocolate chips.
2. Drop dough by rounded measuring tablespoonfuls about 2 inches apart onto ungreased cookie sheet.
3.Bake 12 to 15 minutes or until light brown. Cool slightly. Remove from cookie sheet to wire rack; cool.