Ingredients

1/4 cup freshly squeezed lime juice

1 jalapeno pepper, seeded and diced

1 teaspoon freshly grated ginger

1 tablespoon extra-virgin olive oil

1 pound firm sea bass, or halibut, skins removed and cut into 1/2-inch dice

3 scallions, white and light-green parts only, thinly sliced on the bias

1 cucumber, cut into matchsticks

1/4 cup fresh mint leaves

1/4 cup fresh cilantro leaves

1 avocado, peeled, pitted, and cut into 1/2-inch dice (optional)

Salt and freshly ground black pepper

Preparation

In a nonreactive bowl, combine juice, jalapeno, ginger, and oil. Add fish, and toss. Cover with plastic. Chill until flesh is opaque, 1 hour or overnight, stirring occasionally.

Add remaining ingredients. Season with salt and pepper. Toss, and serve.