Ingredients

• 1 ¼ pounds fresh or frozen medium shrimp

• 8 ounces fresh or frozen halibut, cod, tilapia, or sea bass

• 5 cups water

• 2 teaspoons neutral oil, such as canola or avocado

• ¾ cup chopped red sweet pepper (1 medium)

• 2 fresh poblano chile peppers, stemmed, seeded, and chopped (see Tip)

• ½ cup chopped onion (1 medium)

• 2 cloves garlic, minced

• 8 low-carb whole wheat flour tortillas

• 4 ounces Neufchatel cheese, softened

• 1 (8 ounce) carton light sour cream

• 2 tablespoons all-purpose flour

• ¼ teaspoon salt

• ¼ teaspoon ground black pepper

• ¾ cup fat-free milk

• ½ cup thinly sliced green onions