Tomato-Orange Soup With Grilled Cheese Croutons Recipe

Ingredients

• 4 tablespoons unsalted butter
• 1 red onion
• 2 teaspoons kosher salt
• 4 cloves garlic
• 1 tablespoon fresh thyme leaves (or 1 teaspoon dried thyme)
• 1/2 teaspoon ground cinnamon
• 1 28-ounce can diced tomatoes with juice
• 1 cup water
• 1 cup freshly squeezed orange juice
• 1 teaspoon sherry vinegar
• 8 slices country bread
• 6 ounces Gruyere