Light And Luscious Citrus Mousse
["1 (3 oz.) pkg. vanilla pudding and pie filling (not instant)", "1 1/2 c. cold milk", "1 egg, lightly beaten", "2 tsp. grated lemon, lime or orange rind", "1/4 c. fresh lemon or lime juice or frozen orange juice concentrate (undiluted)", "1 c. frozen whipped topping, thawed"]
["In medium saucepan, whisk together pudding, milk and egg. Over medium-high heat, bring to boil, stirring constantly.", "Boil for 1 minute.", "Remove from heat; stir in rind and juice.", "Transfer to medium bowl.", "Place plastic wrap directly over surface and refrigerate until cool (about 1 hour).", "Fold in whipped topping. Spoon into serving bowls or use a pastry bag to fill hollowed out citrus \"shells.\" Chill thoroughly before serving.", "Makes 4 servings."]
["vanilla pudding", "cold milk", "egg", "lemon", "fresh lemon", "frozen whipped topping"]