Wisconsin Cheddar Beer Soup | America's Test Kitchen

Ingredients

• 4 tablespoons unsalted butter
• 1 onion, chopped fine
• 2 carrots, peeled and chopped fine
• 2 garlic cloves, minced
• 1/3 cup all-purpose flour
• 1 3/4 cups low-sodium chicken broth
• 1 (12-ounce) beer (see related How to Cook)
• 2 cups milk, whole or low-fat
• 3 cups grated sharp cheddar cheese
• 1 cup shredded American cheese (see note)
• 2 teaspoons cornstarch
• Salt and pepper