Cherry Tomato and Ravioli Soup

INGREDIENTS

• 2 tablespoons extra virgin olive oil
• 2 pints cherry tomatoes
• 3 garlic cloves, chopped
• 1/4 cup sweet onion, chopped
• salt, to taste
• fresh ground black pepper, to taste
• 4 cups chicken stock
• 2 cups water
• 1 lb fresh cheese ravioli, thawed if frozen
• 1 cup fresh basil leaf, chopped
• 1/2 teaspoon italian seasoning
• 1/4 cup parmigiano-reggiano cheese, grated