I found this on an internet search. Is this the recipe you are looking for?
Beat ‘N Eat Frosting
3/4 cups sugar
1/4 teaspoon Cream of Tarter
1 teaspoon Vanilla
1 egg white unbeaten
1/4 cup boil water
1 package Baker’s coconut
Place sugar, cream of tarter, vanilla and egg white in small deep bowl. Mix well.
Add boiling water to egg white mixture. Beat with rotary egg beater or at high speed electric beater until mixture will stand in stiff peaks.
Makes 3 cups of frosting.