Ultimate Chocolate Chip Bars

Ultimate Chocolate Chip Bars 1 cup margarine, melted 3⁄4 cup granulated sugar 3⁄4 cup brown sugar, packed 2 large eggs 1 teaspoon vanilla extract 2 cups all-purpose flour 1 teaspoon baking soda 1⁄2 teaspoon salt 1 cup chocolate chips 1 cup nuts, chopped (optional) Mix margarine and sugars in a large bowl. Add eggs and vanilla, mixing well. Mix in flour, baking soda and salt. Stir in chocolate chips and nuts. Spread in a greased 9 x 13" baking pan. Bake at 350°F for 25 minutes. Allow to cool before cutting into bars.