1 large sweet onion, cut into thick rings and separated
1/3 cup lemon juice Salt and pepper to taste
1/4 cup minced fresh herbs
1/3 cup pine nuts, toasted
Season fillets with salt and pepper. In a large skillet, heat 2 tablespoons oil over medium-high heat. Add fillets; cook 4-5 minutes on each side or until fish just begins to flake easily with a fork. Remove from pan.
Add remaining oil, peppers, mushrooms, onion, lemon juice, and season with salt and pepper to taste. Cook, covered, over medium heat until vegetables are tender, stirring occasionally, 6-8 minutes.
Place fish over vegetables; sprinkle with pepper and remaining salt. Cook, covered, 2 minutes longer or until heated through. Sprinkle with herbs and pine nuts before serving.