1. Preheat oven to 300 F.
2. In medium bowl combine flour, baking soda and salt.
3. In a large bowl with an electric mixer blend sugars at medium speed. Add butter and mix to form a grainy past, scraping down the sides of the bowl. Add eggs and vanilla extract, and mix at medium speed until light and fluffy.
4. Add the flour mixture and chocolate chips, and blend at low speed until just mixed.
5. Drop by rounded tablespoons onto an ungreased cookie sheet, 2 inches apart. Bake 22-24 min or until golden brown. Transfer cookies immediately to a cool surface with a spatula.