Instructions: Heat the olive oil in a large heavy pot over medium heat. Add the leeks and serranos, using 3 serranos for more heat, and saute them until they are soft and fragrant, about 15 minutes. Add the garlic, and saute for 2 minutes more. Break up the achiote with your fingers, and place it in a small bowl. Stir in enough stock to make a paste. Add the achiote paste and the rest of the stock to the leek mixture. Add the zucchini and Tomato Concasse, and simmer for 10 minutes. Season with salt and pepper.

While the vegetables are cooking, cook the pasta separately until it is just barely done. Drain and rinse the pasta, toss it with 2 tablespoons of the cilantro sauce, and set it aside.

Add the seafood to the vegetables, cover the pot, and simmer for 5 minutes. Remove the pot from the heat. Divide the pasta among heated soup bowls and then ladle the stew over it, being sure that each serving gets each type of seafood. Top each portion with a spoonful of Cilantro Sauce. Serve immediately, with a lime wedge and with the remaining cilantro sauce on the side.

This recipe yields 4 to 6 servings.

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