| 1/4 | c | Olive oil |
| 1 | c | Sliced leeks; white part only |
| 2 | | Serrano chiles; seeded and diced, up to 3 |
| 8 | | Garlic cloves; minced |
| 2 | tb | Achiote |
| 4 | c | Chicken stock |
| 3 | md | Zucchini; diced |
| 3 | c | Tomato concasse; (recipe follows) |
| | Kosher salt |
| | Black pepper in a mill |
| 8 | oz | Small dried pasta; such as tripolini, farfalline or small shells |
| 1 | c | Cilantro sauce; (recipe follows) |
| 1 | lb | Medium shrimp; peeled and deveined |
| 1 | lb | Fish fillets; such as snapper, cut into 1-inch cubes |
| 1 | lb | Fresh mussels or 2 pounds manila clams or cockles in the shell; scrubbed |
| 1 | | Lime; cut into wedges |