Salmon Quiche  Ingredients  1 unbaked pastry shell (10 inches)  1 medium onion, chopped  1 tablespoon butter  2 cups (8 ounces) shredded Swiss cheese  1 can (14-3/4 ounces) salmon, drained, flaked and cartilage removed  5 eggs  2 cups half-and-half cream  1/4 teaspoon salt  Minced fresh parsley, optional
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