Mediterranean Salmon with Pasta

Ingredients

• 16 ounces salmon fillets, cut into 4-ounce portions
• 2 medium tomatoes, sliced
• 1 cup mushrooms, sliced
• 1 medium red bell pepper, cut in thin strips
• 2 tablespoons prepared pesto
• lemon juice, to taste
• black pepper, to taste
• 4 cups whole wheat spaghetti, cooked according to package directions