Melt together shortening and cocoa. Stir in remaining ingredients. Beat until thick enough to spread. Frosts two 9-inch layers or one 13x9-inch loaf.
For two 8-inch layers or one 9x9-inch loaf cake use: 4 Tablespoons Shortening, 6 Tablespoons Cocoa, 2 Cups Sifted Confectioner's Sugar, 5 Tablespoons Hot Scalded or Evaporated Milk, and 1 Teaspoon Vanilla.