Defrost pie crust according to package directions.
Preheat oven to 350F degrees. Mix sugar, cinnamon, salt, ginger, and cloves together. Add pumpkin, milk and egg; mix until well combined. Pour into each pie crust. Bake at 350F for 45 minutes, then turn down to 300F degrees and bake until toothpick comes out clean. Let cool and cut into 1/8 pieces.