Ravioli and Vegetable Soup

INGREDIENTS

• 1 9-ounce package small cheese ravioli
• 1 tablespoon extra-virgin olive oil
• 3 medium carrots, halved lengthwise and sliced
• Kosher salt and freshly ground pepper
• 3 stalks celery, sliced
• 8 slices whole-wheat baguette
• 1 small onion, diced
• 1 teaspoon chopped fresh thyme
• 3 tablespoons grated parmesan cheese
• 2 cups fat-free low-sodium beef or vegetable broth
• 1 small bunch escarole or 5 cups spinach, roughly chopped