Good with a side of pasta, and other types of fish (tuna, halibut, bluefish) can be used. From "Diabetes Cooking for Everyone", by Carol Gelles. Exchanges: 3 1/4 very lean meat, 3/4 vegetable, 1 fat.
In a medium nonstick skillet,heat the oil over medium-high heat. Add onion and garlic and cook, stirring, 2 minutes until onion is slightly softened. Stir in the tomatoes with puree, breaking the fruit up with the side of a spoon. Add the sugar and the pepper flakes. Bring to a boil, then reduce heat and simmer, covered, 10 minutes. Stir in the remaining ingredients (except fish) and simmer, uncovered, 5 minutes.
While the sauce is simmering, grill or broil the fish 2 to 3 minutes on each side. Serve with sauce on the side.