A simple side dish is all you need to accompany the Basil Walnut Fish Fillets. You can substitute julienned zucchini or yellow squash for the carrots...just reduce the cooking time slightly.
In a large skillet, saute carrots in oil for 3 minutes. Add onions; cook 4-5 minutes longer or until crisp-tender. Stir in lemon juice, Italian seasoning, garlic salt and pepper.