1 can sweetened condensed milk
2 c. milk chocolate chips
1 c. semi-sweet chocolate chips
2 c. miniature marshmallows
1 c. walnuts, chopped
1 tsp. vanilla

In heavy saucepan, melt chips in the sweetened condensed milk. Take off the stove. Stir in vanilla, marshmallows and nuts. Cut before it gets too hard.