Rinse under cold water:
- 1 pound (about 1 quart) shrimp parts
Bring to a boil, simmer, skim any foam (about 45 minutes):
- Shrimp parts
- 1 cup yellow onions, coarsely chopped
- 1/2 cup celery, coarsely chopped
- 1/2 cup carrots, coarsely chopped
- 3 garlic cloves, smashed
- 1 bay leaf
- 1 teaspoon black peppercorns
- 1 teaspoon dried thyme
- 2 teaspoon salt