Preheat oven to 350 F. Combine over hot (not boiling) water, Nestle Toll House Butterscotch Flavored Morsels and butter. Stir until morsels are melted and mixture is smooth. Transfer to large bowl. Stir in graham cracker crumbs and walnuts with a fork until mixture resembles fine crumbs. Reserve 2 c. crumb mixture for topping. Press remaining mixture into 15.5"x10.5" baking pan. Bake 12 minutes.
In large mixer bowl, combine cream cheese and sugar; beat until creamy. Add eggs, 1 at a time, beating well after each addition. Blend in flour and lemon juice. Pour evenly over hot baked crust; sprinkle with reserved crumb mixture. Bake 25 minutes.
Cool; cut into 2x1-inch bars. Refrigerate.
Makes about 6 dozen bars.
June 1994. [Nestle Toll House Butterscotch Flavored Morsels, Nestle Foods Corporation, Purchase NY 10577 USA. Questions or Comments? Call us Toll Free at 1-800-NESTLES, 9 am-5 pm Eastern Time.]