Creamy Chicken and Cheese Tortellini Soup

Ingredients

• 6 tablespoons salted butter, divided
• 1 pound chicken breasts, cut into 1/2 - 1-inch cubs (about 3 breasts)
• 1 yellow onion, diced (1 cup)
• 1-2 large carrots, diced (1 cup)
• 2-3 celery stalks, diced (1 cup)
• 2 garlic cloves, minced
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/4 teaspoon ground sage
• 1/4 teaspoon ground thyme
• 1/8 teaspoon ground nutmeg
• 1/3 cup all-purpose flour
• 2 cups chicken broth
• 3 cups milk (whole or 2%)
• 9-12 ounces cheese tortellini (frozen or refrigerated)
• 1 cup freshly grated sharp cheddar cheese
• 1 cup frozen corn