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 Gold Medal® all-purpose flour
2 teaspoons baking soda
1/2 teaspoon salt
1 bag (24 oz) semisweet chocolate chips (4 cups)

1. Heat oven to 350°F. In large bowl, beat butter, sugars, vanilla and eggs with electric mixer on medium speed or with spoon until light and fluffy. Stir in flour, baking soda and salt (dough will be stiff). Stir in chocolate chips.
2. On ungreased cookie sheet, drop dough by tablespoonfuls or #40 cookie/ice cream scoop 2 inches apart. Flatten slightly.
3. Bake 11 to 13 minutes or until light brown (centers will be soft). Cool 1 to 2 minutes; remove from cookie sheet to cooling rack.
High Altitude (3500-6500 ft): Bake 10 to 12 minutes.

Source: bettycrocker.com