Farfalle with Chicken, Tomatoes, Caramelized Onions, and Goat Cheese

INGREDIENTS

• 2 tablespoons olive oil
• 2 large red onions, thinly sliced
• 2 tablespoons Sherry wine vinegar
• 1 teaspoon sugar
• 8 ounces farfalle
• 1 cup dry white wine
• 1 cup low-salt chicken broth
• 6 heirloom tomatoes, cored, chopped (about 5 cups)
• 2 cups shredded cooked chicken (from 1/2 rotisserie chicken)
• 1/2 cup thinly sliced basil leaves
• 2 tablespoons chopped fresh marjoram
• 3 cups baby spinach
• 3 ounces soft fresh goat cheese, crumbled