Bake pastry shell in 400 Deg. F. oven for 10 minutes. Remove from oven and cool. Cool oven down to 375 Deg. F. Blanch bacon in a saucepan filled with boiling water, for 3 to 4 minutes. Dice and drain on paper towel. Place bacon in a saute pan. cook uncovered, over high heat for 3 minutes. Drain again on paper towel. Place bacon in the bottom of the pie shell. Cover with grated cheese. In a mixing bowl, beat eggs, parsley, cream, salt, pepper, and nutmeg together with a whisk. Pour mixture into pie shell. If this mixture is not sufficient to fill pie shell, top with milk or cream. Bake the quiche for 30 to 35 minutes or until a knife in the middle comes out clean.