Creamy Tomato Soup with Grilled-Cheese Croutons

Ingredients

• Creamy Tomato Soup
• 1 (24-ounce) jar Tomato Basil Sauce
• 1 (14-ounce) can diced tomatoes
• 1 1/2 cup vegetable stock
• 1/2 tsp Spice Islands garlic powder
• 1/2 cup Parmesan cheese, grated, plus more for topping
• 1 cup milk or half-and-half
• Salt and pepper, to taste
• Grilled-Cheese Croutons
• 8 slices of crusty bread
• 2 tbsp unsalted butter, softened
• 2 cups shredded sharp cheddar cheese, divided
• 4 slices provolone cheese