Cherry Supreme Pie
["2 graham cracker crusts", "1 can sweetened condensed milk", "1/3 c. lemon juice (about 3 lemons)", "1 tsp. vanilla flavoring", "1 (10 oz.) container whipped topping", "1 large can cherry pie filling"]
["Mix lemon juice into condensed milk; stir until thick.", "Add vanilla flavoring.", "Fold in whipped topping.", "Put filling into crusts, mounding up filling on sides.", "Spread cherry pie filling on top of pies, but do not spread all the way to the sides.", "Chill and serve."]
["graham cracker crusts", "condensed milk", "lemon juice", "vanilla flavoring", "cherry pie filling"]