Preheat oven to 425 degrees. In a medium mixing bowl, combine flour and salt. Cut in shortening with blending fork until mixture resembles crumbs. Add water in two parts, until dough comes away from the bowl.
On a lightly floured surface, roll dough to fit a 9-in deep dish pie plate. Transfer to pie plate. Trim and flute edges.
In a large skillet, brown sausage. Drain off any grease. Spoon sausage inside pie crust.
In a medium bowl, beat together eggs, half and half, parsley salt, and nutmeg. Stir in cheese. Pour into crust over the sausage.
Bake in preheated oven on lowest rack, for 15 minutes. Reduce temperature to 375 degrees. Continue baking for 30-40 minutes or until a knife inserted in the center comes out clean. Let stand 10 minutes before cutting. Makes 6-8 servings.