The Best Cheeseburger Soup

Ingredients (17)

• 1 pound ground beef , (I used 85% lean)
• 2-3 cloves garlic , pressed or minced
• 1 small onion , chopped (about 1 1/2 cups)
• 2 stalks celery , chopped (about 1 cup)
• 4 carrots , peeled and chopped (about 1 cup)
• 1 teaspoon kosher salt and freshly ground black pepper
• 1/3 cup all-purpose flour
• 4 cups whole milk
• 3 small russet potatoes , peeled and cubed into bite size pieces (about 3 cups)
• 1 14.5 ounce can diced tomatoes , drained
• 1 tablespoon hot sauce*
• 2 cups shredded sharp cheddar cheese plus more for garnish
• For the Toppings:
• 2 tablespoons Italian flat leaf parsley , chopped
• 4 slices sourdough bread
• 3-4 tablespoons butter
• garlic salt