Spicy fish soup

Ingredients 1/2 onion, chopped 1 clove garlic, minced 1 tablespoon chili powder 1 1/2 cups chicken broth 1 (4 ounce) can canned green chile peppers, chopped 1 teaspoon ground cumin 1 1/2 cups canned peeled and diced tomatoes 1/2 cup chopped green bell pepper 1/2 cup shrimp 1/2 pound cod fillets 3/4 cup plain nonfat yogurt Directions Spray a large saucepan with the vegetable cooking spray over medium high heat. Add the onions and saute, stirring often, for about 5 minutes. Add the garlic and chili powder and saute for 2 more minutes. Then add the chicken broth, chile peppers and cumin, stirring well. Bring to a boil, reduce heat to low, cover and simmer for 20 minutes. Next, add the tomatoes, green bell pepper, shrimp and cod. Return to a boil, then reduce heat to low, cover and simmer for another 5 minutes. Gradually stir in the yogurt until heated through.