1 can Eagle Brand milk
1/3 c. Tang breakfast drink mix
16 oz. sour cream
16 oz. Cool Whip
2 graham cracker crusts

Mix Tang with milk until smooth and creamy. Fold in sour cream. Pour into 2 graham cracker crusts and top with Cool Whip. Put pies in freezer. Keep frozen. For easy slicing, sit pies at room temperature about 10 minutes.