5 c. sugar
1/2 lb. butter
1 can evaporated milk

Mix and stir constantly. Boil for 9 minutes. Remove from heat and add while stirring constantly:

1 tbsp. vanilla
1 1/3 pkg. (16 oz.) chocolate chips
1/2 pkg. German chocolate
1/2 pkg. mini marshmallows

Pour into greased pan; cool and cut.

Variation: For a slightly different taste, you can substitute mint chocolate chips for some or all of the chocolate chips.