Combine nonfat milk, sugar, egg substitute and cornstarch in small saucepan. Stir until smooth. Place over low heat, cook and stir until thickened. Cool. Cover and chill several hours to thicken. Stir in lime zest. GELATIN GLAZE 1 tablespoon unflavored gelatin 1/2 cup water or clear fruit juice 1 teaspoon sugar, optional Sprinkle gelatin over water and let stand 5 minutes to soften. Place over very low heat to dissolve gelatin, about 3 minutes, stirring occasionally. Stir in sugar. Cool until slightly thickened. dess 107