Easy Pumpkin Pie

1 env. Dream Whip
1 c. canned pumpkin
2/3 c. milk
1 pkg. vanilla instant pudding
1/4 to 1/2 tsp. nutmeg
1/4 to 1/2 tsp. ginger
1/4 to 1/2 tsp. cinnamon
1 baked pie shell
You can use 3/4 tsp. pumpkin pie spice instead of nutmeg, ginger and cinnamon. Prepare Dream Whip as directed on envelope. Set aside 1 cup for garnish. To remaining 1 cup Dream Whip, add pumpkin, milk, pudding and spices. Mix slowly with beater, just until blended, 1 minute. Pour into pie shell. Chill at least two hours. Garnish with topping.