"Spinach Quiche"
serves 5
1 9-inch "deep dish frozen pie crust"
1 tablespoon "butter"
0.5 cup "thinly sliced shallots"
4 large "eggs"
1.25 cups "heavy cream"
1 pinch "ground nutmeg"
0.75 teaspoon "salt"
0.125 teaspoon "cayenne pepper"
1 cup "finely shredded Gruyère, packed"
10 ounces "frozen chopped spinach, defrosted and wrung free of water"