This was delicious!

Root Beer Float Pie
3/4 c. diet root beer
1/4 c. skim milk
1 oz pkg sugar free fat free vanilla pudding mix
8 oz Cool Whip Lite, thawed
9 oz reduced fat graham cracker crust
6 marachino cherries

Combine the root beer, milk and pudding mix with mixer until smooth (about 2 minutes). Let it sit to thicken; fold in 1/2 of the Cool Whip. Pour into crust and top with remaining Cool Whip. Place a cherry on each piece.
Yield: 6 servings. Per serving=304 Calories; 12g Fat (36.4% calories from fat); 2g Protein; 44g Carbohydrate; trace Dietary Fiber; trace Cholesterol; 404mg Sodium.