Place cream and milk in small saucepan.
Heat cream and milk over moderate heat until little bubbles form around the edges.
Remove cream and milk from heat and set aside.
Crack eggs into bowl of mixer fitted with paddle attachment.
Beat eggs lightly.
Add vanilla, sugar, salt, pepper, ginger, mace, and nutmeg to eggs.
Beat briefly to combine ingredients.
Add 2 cups pumpkin puree.
Mix well.
Gradually beat in hot cream.
Pour mixture into prebaked pie crust.