Lemon Icebox Pie
["1 graham cracker crust", "2 egg yolks", "1 can Eagle Brand milk", "1/4 c. or more lemon juice", "2 or 3 Tbsp. Philadelphia cream cheese (optional)"]
["Mix well.", "Put into graham cracker crust and chill."]
["graham cracker crust", "egg yolks", "milk", "lemon juice", "Philadelphia cream cheese"]