Chill a small mixing bowl. Soften gelatin with 2 teaspoons cold water; Add boiling water, stirring until gelatin is completely dissolved Cool until tepid. Place ice water and nonfat dry milk in the chilled bowl, Beat at high speed until mixture forms stiff peaks then add sugar, still beating, then oil and gelatin. Place in freezer about 15 minutes. Transfer to refrigerator until ready for use. Stir before using to retain creamy texture. Makes 2 cups