Tomato Soup with Cheese and Bacon Toasties

INGREDIENTS

• 1 tablespoon extra-virgin olive oil
• 1 large red onion, chopped
• 1 garlic clove, chopped
• coarse salt and ground pepper
• 3 large tomatoes (about 2 pounds total), cored and chopped
• 1 cup low-sodium chicken or vegetable broth
• 1/4 cup heavy cream
• 6 slices bacon
• 2 tablespoons butter, room temperature
• 8 slices white sandwich bread
• 1 cup shredded Gruyere cheese