1 pkg. Jiffy chocolate frosting mix
1 1/2 Tbsp. hot water
1/2 cup chopped nuts
1/2 cup miniature marshmallows (if desired)
Butter 9 x 5-inch loaf pan. Blend frosting mix and hot water in top of double boiler. Heat over rapidly boiling water for 5 minutes, stirring frequently. Stir in nuts and marshmallows; pour into prepared pan. Let stand until firm.
Found at http://www.recipelink.com/mf/1/4829
Hope this helps.