Watermelon Mousse
["2 c. (1-inch pieces) watermelon, seeded", "2 Tbsp. grenadine", "1/2 tsp. grated lemon peel", "1 envelope unflavored gelatin", "1 egg white", "1/8 tsp. cream of tartar", "1/8 tsp. salt", "1/4 c. sugar", "1/2 c. chilled whipping cream"]
["Place watermelon,", "grenadine and lemon peel in blender. Blend on high", "speed until smooth.", "Pour into saucepan, sprinkle with gelatin.", "Heat over low heat until gelatin dissolves. Refrigerate, stirring", "occasionally,", "until", "mixture", "mounds slightly when dropped", "from", "spoon.", "Beat", "egg white, cream of tartar and salt in", "1", "1/2", "quart", "bowl", "until foamy.", "Beat in sugar, 1 tablespoon at", "a time, until stiff and glossy.", "Fold in watermelon mixture. Beat", "whipping", "cream", "in chilled bowl until stiff.", "Fold", "whipped cream", "into", "meringue mixture and spoon into dessert dishes. Refrigerate for 2 hours."]
["watermelon", "grenadine", "unflavored gelatin", "egg", "cream of tartar", "salt", "sugar", "chilled whipping cream"]