Heat oven to 350º. Spray 10-inch nonstick skillet with nonstick cooking
spray. Cook onion, garlic and chilis in skillet over medium heat, stirring
frequently, until onion is tender; reduce heat. Stir in remaining
ingredients except fish steaks. Simmer uncovered over low heat 5 minutes,
stirring occasionally.

Arrange fish in ungreased rectangular baking dish, 11 × 7 × 1 1/2 inches.
Spoon tomato mixture over fish. Bake uncovered 25 to 30 minutes or until
fish flakes easily with fork. Sprinkle with cilantro.