8 ounces pork sausage (bulk)
1 pastry pie shell
1/4 cup onion, chopped
1 clove garlic, minced
1 10-ounce package frozen spinach, chopped
1 cup Cheddar cheese, shredded (4 ounces)
4 eggs, slightly beaten
1 cup light cream
1/4 teaspoon salt
3 cherry tomatoes (optional), halved
watercress sprigs (optional)