1 cup butter, softened
2 cups all purpose flour
1/2 cup sugar
1/4 teaspoon salt
2 cups chocolate chips, divided
1-1/4 cups (14 oz. can) Eagle Brand Sweetened Condensed Milk
1 teaspoon vanilla extract
1 cup chopped walnuts

Beat butter in large bowl until creamy. Beat in flour, sugar and salt until crumbly. With floured fingers, press 2 cups crumb mixture into bottom of greased 13 x 9 inch pan; reserve remaining mixture. Bake in preheated 350 oven for 10-12 minutes, or until edges are golden brown. Warm 1-1/2 cups chocolate chips and sweetened condensed milk in small, heavy saucepan over low heat, stirring until smooth. Stir in vanilla. Spread over hot crust. Stir in walnuts and remaining morsels into reserved crumb mixture. Sprinkle over chocolate filling. bake at 350 for 25-30 minutes or until center is set. Cool on wire rack.