This recipe makes 8 cups and may be cut in half or doubled and is Crisco based. I don't usually use this recipe because I prefer butter, but in rare cases I have. It does taste good and is very stable.
Ingredients:
2/3 cups water
4 Tablespoons meringue powder
1 1/4 cups solid white shortening
11-1/2 cups confectioners' sugar
3/4 teaspoons salt
1/4 teaspoon butter flavoring
1/2 teaspoon almond flavoring
1/2 teaspoon clear vanilla
Combine water and meringue powder and whip at high speeds until peaks form.
Add four cups sugar, one cup at a time, beating after each addition at low speed.
Alternately add shortening and remainder of sugar.
Add salt and flavorings and beat at low speed until smooth.
May be stored well covered, in refrigerator for several weeks, then brought to room temperature and rebeaten.