Add remaining sugar, alternately with egg whites then with 2 tablespoons cream until of right consistency to spread.
Beat after each addition until smooth. Add vanilla and salt. Divide frosting in two parts. To one part add orange coloring to give an orange shade and spread between layers of cake, reserving about 1/4 for pumpkin decoration. To remaining un-tinted frosting, add chocolate; then add 4 teaspoons cream until of right consistency to spread.
Spread chocolate frosting on top and sides of cake Decorate top with jack-o'-lantern, made of orange-tinted frosting. Makes enough frosting to cover tops and sides of two 9" layers and for decorating.