Toll House Pan Cookies

2 1/4 All purpose flour
1 tsp baking soda
1 tsp salt
1 cup (2 sticks) butter, softened
3/4 cup granulated sugar
3/4 cup packed brown sugar
1 tsp vanilla extract
2 eggs
2 cups semi-sweet chocolate morsels
1 cup walnuts or pecans, chopped(optional)
Combine flour, baking soda and salt in small bowl. Beat butter, granulated sugar, brown sugar and vanilla in large mixer bowl. Add eggs one at a time, beating well after each addition; gradually beat in flour mixture. Stir in morsels and nuts or pecans. Spread into greased 15x10-inch jelly-roll pan. Bake in preheated 375 oven for 20 to 25 minutes or until golden brown. Cool in pan on wire rack.