leftover caramel in refrigerator. bring to room temperature or heat until warm to serve.
do not heat in can.
line 8 or 9 inch square pan with foil, extending foil over edges of pan.
melt chocolate chips with sweetened condensed milk and salt in heavy saucepan over low heat. remove from heat. stir in nuts and vanilla. spread evenly into prepared pan.
chill 2 hours or until firm. remove from pan by lifting edges of foil. cut into squares. servings: about 2 pounds.
combine chocolate chips with sweetened condensed milk and salt in 1-quart glass measure. cook on high (100% power) 3 minutes or until chips are melted, stirring after 1 1/2 minutes. stir in 