Banana Pistachio Pie

This sounds so good. I want to make it soon and am posting it so I won't forget it. Found in Easy Home Cooking.

• Ready In: 1 hr 20 mins
• Serves: 8

Ingredients

• 3⁄4 cup cinnamon graham cracker crumbs
• 2  tablespoons reduced fat margarine, melted
• 2 (4 ounce) packages fat-free sugar-free instant pistachio pudding mix
• 2 1⁄2 cups nonfat milk
• 1  large  ripe banana, sliced
• 1⁄4 teaspoon ground cinnamon
• 1  cup  thawed frozen non-dairy  reduced-fat whipped topping

Directions

1. Combine graham cracker crumbs and margarine in small bowl, stirring with fork until crumbly. Press onto bottom of 9-inch pie plate.
2. Prepare pudding mix according to box directions, using 2 1/2 cups milk. Gently stir in banana and cinnamon; fold in 1 cup whipped topping.
3. Pour into prepared crust.
4. Refrigerate at least 1 hour.
5. Top with additional whipped topping before serving, if desired.