Peach Cool Whip Pie

Name: Peach Cool Whip Pie
Prep time: 20 min
Total time: 20 min
Cuisine: American
Ingredients: 6 ounce pre-made graham cracker pie crust; 3 ounces instant peach gelatin; 0.25 ounces unflavored instant gelatin mix; ½ cup boiling water; ⅓ cup cold water; 8 ounces Cool Whip, (thawed to room temperature (about 3 cups) (2 cups for filling and 1 cup for optional topping)); 15 ounces sliced peaches, (drained and finely chopped (reserve 8 slices of peaches for optional garnish))