1 (7 oz.) jar Kraft marshmallow
2 c. sugar
2/3 c. evaporated milk
1 tsp. vanilla
1 (12 oz.) bag Nestles semi-sweet chocolate chips
3/4 stick butter (6 tbsp.)

Melt butter. Add milk and sugar. Heat on medium. Stir constantly. When it starts to boil, keep on burner for 5 minutes and keep stirring. Take off burner and add chocolate, then vanilla and marshmallow. Pour into a buttered 8 x 8 inch pan. Let cool 2 hours.