Cream of Fresh Tomato Soup

Ingredients

• 1 1/2 cups chopped red onions (2 onions)
• 2 carrots, unpeeled and chopped
• 1 tablespoon minced garlic (3 cloves)
• 4 pounds vine-ripened tomatoes, coarsely chopped (5 large)
• 1 1/2 teaspoons sugar
• 1 tablespoon tomato paste
• 1/4 cup packed chopped fresh basil leaves, plus julienned basil leaves, for garnish
• 3 cups chicken stock, preferably homemade
• 1 tablespoon kosher salt
• 2 teaspoons freshly ground black pepper
• 3/4 cup heavy cream
• Croutons, for garnish