1 2/3 cups white sugar 
2/3 cup evaporated milk 
1 tablespoon unsalted butter 
1/2 teaspoon salt 
1 (6 ounce) packages milk chocolate chips 
16 large marshmallows 
1 teaspoon pure vanilla extract 
1 cup chopped nuts 
1.Combine sugar, milk, butter and salt in a medium sized saucepan. Bring to a boil, cook 5 minutes, stirring constantly. 
2.Add in chocolate chips; cook until melted. 
3.Remove from heat; stir in marshmallows, vanilla and nuts. Mix well. 
4.Pour into a 8-inch pan. 
Cool cut into squares.