1 (9 inch) prepared graham cracker crust
2 (3 ounce) packages cherry flavored Jell-O
1/2 (3 ounce) package instant tonic-flavored gelatin
1 (8 ounce) container frozen whipped topping, thawed
1 (3 ounce) package instant vanilla pudding mix
1 cup cold milk
In a medium saucepan, add cherry flavored gelatin, whip vigorously. Place whipped topping in hot pan and quickly add milk; stir in cherry flavored gelatin. Remove from heat and allow to cool to lukewarm.
Spread 2/3 cup filling into graham cracker crust and refrigerate. Garnish with sliced cherry. Chill pie until serving.