Easy Key Lime Pie
["1 ready made graham cracker crust (reduced fat)", "1 pkg. sugar free lime gelatin (4 serving size)", "1/4 cup boiling water", "2 6 oz. container key lime flavored yogurt", "1 8 oz. tub fat free whipped topping, thawed"]
["In large heat resistant bowl, dissolve gelatin in boiling water.", "Stir in yogurt with wire whisk.", "Fold in whipped topping with wooden spoon.", "Spread mixture evenly into ready made pie crust.", "Refrigerate over night or at least 2 hours.", "Garnish as desired.", "Serve 8."]
["graham cracker crust", "sugar", "boiling water", "yogurt"]