Ingredients

• 2 tablespoons olive oil
• 2 medium yellow bell peppers, seeded and diced
• 2 medium red bell peppers, seeded and diced
• 1 pound fresh mushrooms, sliced
• 1 small onion, chopped
• 2 medium zucchini, cubed
• 3 tablespoons minced garlic
• 1 tablespoon steak seasoning
• 1 tablespoon onion powder
• 1 (16 ounce) package turkey kielbasa, sliced
• 1 tablespoon balsamic vinegar, or to taste
• grated Parmesan cheese for topping