Ingredients

• 1 onion (medium to large, cut into 1-inch wedges)
• 8 ounce baby portobella mushrooms (sliced)
• 1 red bell pepper (cut into 3/4-inch thick strips)
• 1 yellow bell pepper
• 1 tablespoon balsamic vinegar
• 1 tablespoon extra-virgin olive oil
• 2 clove garlic (crushed)
• 1 teaspoon dried Italian seasoning
• 1/4 teaspoon salt
• 1/4 teaspoon black pepper (coarsely ground)