8 cups uncooked shrimp heads and shells (from about 1 pound large shrimp) |
2 onions, peeled, halved and sliced |
2 stalks celery, chopped |
2 lemons, halved |
8 bay leaves |
1/2 cup chopped fresh parsley |
1 teaspoon dried leaf basil |
1 teaspoon dried leaf thyme |
1 teaspoon dried leaf tarragon |
1 teaspoon dried leaf oregano |
3/4 teaspoon whole black peppercorns |
2 teaspoons salt |
4 quarts water, cold or at room temperature |