Cooked Fudge Icing

Ingredients
- 3 c sugar
- 6 Tbsp cocoa
- pinch of salt and soda
- 2 Tbsp shortening
- 1 c evaporated milk
- 1 12 sticks butter
Directions
- Mix all ingredients except butter
- Cook until firm ball forms when dropped into cold water
- Remove from heat
- Add butter Beat until spreading consistency
- Frost 3 layers or 1 pound cake