Beat butter in large mixing bowl until creamy. Beat in flour, sugar and salt until crumbly.
Step4
With floured fingers, press 1 3/4 c. crumb mixture onto bottom of prepared baking pan; reserve remaining mixture.
Step5
Bake for 10 to 12 minutes or until edges are golden brown.
Step6
Combine 1 c. morsels and sweetened condensed milk in small, heavy-duty saucepan. Warm over low heat, stirring until smooth. Spread over hot crust.
Step7
Stir nuts into reserved crumb mixture; sprinkle over chocolate filling. Drop teaspoonfuls of raspberry jam over crumb mixture. Sprinkle with remaining morsels.