Chocolate Icing

Directions

1. 1
   Mix all ingredients except vanilla.
2. 2
   Stir over low heat until margarine is melted.
3. 3
   Let come to a rolling boil and time 1 1/2 minutes.
4. 4
   Add vanilla.
5. 5
   I like to put this over a 9 x 13-inch yellow cake.
6. 6
   Put holes in the cake and let it run all through the cake.