2 cups chocolate chips
1 can Sweetened Condensed Milk
1 tsp vanilla
3 cups Miniature Marshmallows
1 1/2 cups coarsely chopped walnuts
Line 13x9 inch baking pan with foil; grease lightly.
Microwave chocolate chips and sweetened condensed milk in large, microwave-safe bowl on HIGH power for 1 minute; stir. Microwave at additional 10-to 20- seconds intervals, stirring until smooth. Stir in vanilla extract. Fold in marshmallows and nuts.
Press mixture into prepared baking pan. Refrigerate until ready to serve. Lift from pan; remove foil. Cut into pieces.