Chocolate Caramel Walnut Fudge

3 cups (18 oz.) semisweet chocolate pieces
1 (14-oz.) can Eagle Brand Sweetened Condensed Milk (NOT evaporated milk)
Dash salt
1 cup chopped Walnuts
1/2 cup caramel ice cream topping
1-1/2 teaspoons vanilla extract

In saucepan, over low heat, melt chocolate pieces with sweetened condensed milk and salt. Remove from heat; stir in walnuts, caramel topping and vanilla. Spread evenly into foil-lined 8- or 9-inch square pan. Chill 2 hours or until firm.
Turn fudge onto cutting board; peel off foil and cut into squares. Makes about 2 pounds