Key Lime Snow
["2 envelopes unflavored gelatin", "1/2 c. cold water", "3/4 c. sugar", "1 1/2 c. boiling water", "1/2 tsp. grated Key lime or lime peel", "1/2 c. Key lime or lime juice", "4 egg whites"]
["In a large bowl, sprinkle unflavored gelatin over cold water; let stand 5 minutes.", "Stir in sugar until blended.", "Add boiling water; stir until gelatin is completely dissolved (about 3 minutes).", "Add lime peel and juice.", "Chill until slightly thickened (about 15 minutes).", "In a medium bowl, beat egg whites until stiff.", "While beating gradually add gelatin mixture; beat until soft peaks form.", "Spoon into 8 dessert cups.", "Chill until firm (about 2 hours)."]
["unflavored gelatin", "cold water", "sugar", "boiling water", "lime", "lime", "egg whites"]