Makes 3 dozen bars.

1 cup (2 sticks) Butter, softened
2 cups all-purpose flour
1/2 cup packed light brown sugar
1/4 teaspoon salt
2 cups (12-oz pkg) Semi-Sweet Chocolate Morsels, divided
1 1/4 cups (14-oz can) Sweetened Condensed Milk
1/2 cup chopped nuts (optional)
1/3 cup seedless raspberry jam

PREHEAT oven to 350 degrees F. Beat butter in large mixer bowl until creamy. Beat in flour, sugar, and salt until well mixed. With floured fingers, press 1 3/4 cups crumb mixture onto bottom of greased 13 x 9-inch baking pan; reserve remaining mixture. Bake for 10 to 12 minutes or until edges are golden brown.

COMBINE 1 cup morsels and sweetened condensed milk in small, heavy-duty saucepan. Melt over low heat, stirring until smooth. Spread over hot crust.

STIR nuts into reserved crumb mixture; sprinkle over chocolate filling. Drop teaspoonfuls of raspberry jam over crumb mixture. Sprinkle with remaining morsels. Continue baking for 25 to 30 minutes or until center is set. Cool completely on wire rack.