This recipe is super easy and kinda of cheating but it turns out great everytime. I won't tell if you don't!
1 3/4 c. sugar
1 tsp. vanilla
2 Tbsp. butter
2/3 c. evaporated milk
1 1/2 c. chocolate chips
22 regular marshmallows
Bring sugar, milk and butter to a boil. Boil 5 minutes, stirring constantly. Remove form heat. Add marshmallows and chocolate chips. Stir until melted. Sitr in vanilla. Spread in buttered pan 9x9x2 pan. Cool and cut.