PREHEAT oven to 350° F.
COMBINE flour, baking soda and salt in small bowl. Beat butter, granulated sugar, brown sugar and vanilla extract in large mixer bowl until creamy. Add eggs, one at a time, beating well after each addition. Gradually beat in flour mixture. Stir in 1 cup morsels and nuts. Drop dough by rounded tablespoon onto ungreased baking sheets. Top dollops with remaining morsels.
BAKE for 11 to 13 minutes or until golden brown. Cool on baking sheets on wire racks for 2 minutes; remove to wire racks to cool completely.
PAN COOKIE VARIATION:
Grease 15 x 10-inch jelly-roll pan. Prepare dough as above, stirring in 1 cup morsels. Spread into prepared pan. Sprinkle with remaining morsels. Bake for 18 to 20 minutes or until golden brown. Cool in pan on wire rack. Makes 4 dozen bars
* If omitting nuts, add 1-2 Tbsp. of all-purpose flour.
FOR HIGH ALTITUDE BAKING (5,200 feet): Increase flour to 2 1/2 cups. Add 2 tsp. water with flour and reduce both granulated sugar and brown sugar to 2/3 cup each. Bake drop cookies for 10 to 12 minutes and pan cookie for 17 to 19 minutes.