1 graham cracker pie crust
1 (8 oz.) yogurt any flavor compatible with pie filling used (such as cherry or blueberry or lemon, etc.)
1 (8 oz.) Cool Whip
1 (20 oz.) pie filling (such as cherry, etc.)

Gently stir yogurt and Cool Whip together. Reserve 1 tablespoon with the rest of mixture. Line the inside of the graham cracker crust making a bowl in the middle. Fill this bowl with pie filling. Top the middle of the pie with the reserved yogurt and Cool Whip mix. Chill.