Lemon Mousse
["grated rind of 2 lemons", "5 Tbsp. fresh lemon juice", "1 whole egg", "2 eggs, separated", "1 c. heavy cream", "1 Tbsp. lemon extract", "1 c. sugar", "1 Tbsp. cornstarch"]
["Prepare Ahead:", "Combine lemon rind, juice, extract, egg yolks, egg, 1/2 cup sugar and cornstarch in double boiler.", "Cook over hot water; stir constantly until thickened (6 to 8 minutes).", "Remove from heat; put in bowl to cool.", "Mixture must be totally cold before going onto next step."]
["lemons", "lemon juice", "egg", "eggs", "heavy cream", "lemon extract", "sugar", "cornstarch"]