2/3 c. evaporated milk
1 2/3 c. sugar
1/2 tsp. salt
1 1/2 c. miniature marshmallows
1 1/2 c. semi-sweet chocolate chips
1 tsp. vanilla
4 tbsp. peanut butter

In saucepan, combine first 3 ingredients. Heat to boil, stirring constantly, for 5 minutes. Remove from heat; stir in marshmallows, chocolate chips, vanilla and peanut butter. Stir until marshmallows are melted. Pour in buttered 9-inch square pan.