Fish is a lean protein source that supplies amino acids that give structure to the body in skin, cell membranes and muscles.
Halibut is a bit more expensive than some fish, but it provides a wonderful flavor and texture to this chowder. If you like, any firm fish can be used.
Olive, canola, and sunflower oils are high in healthful monounsaturated fats. Soybean, corn, and safflower oils are high in polyunsaturated fats.