Step 1

Preheat oven to 425° F. Line 15 x 10-inch jelly-roll pan with heavy-duty foil.

Step 2

Melt 1/4 cup (1/2 stick) butter in medium saucepan. Pour into prepared jelly-roll pan. Arrange crackers over butterbreaking crackers to fit empty spaces.

Step 3

Melt remaining 1 cup (2 sticks) butter in same saucepan; add sugar. Bring to a boil over medium heat. Reduce heat to low; cookstirring occasionallyfor 2 minutes. Remove from heat; stir in sweetened condensed milk. Pour over crackers.

Step 4

Bake for 10 to 12 minutes or until mixture is bubbly and slightly darkened. Remove from oven; cool for 1 minute.

Step 5

Sprinkle with morsels. Let stand for 5 minutes or until morsels are shiny; spread evenly. Sprinkle with nuts; press into chocolate. Cool in pan on wire rack for 30 minutes. Refrigerate for about 30 minutes or until chocolate is set. Remove foil; cut into pieces.