Creamy Buffalo Chicken Soup (Cozy One-Pot Dinner)

Ingredients

• 2 tablespoons unsalted butter
• 1 medium yellow onion, diced
• 2 celery stalks, diced
• 1 medium carrot, diced
• 3 cloves garlic, minced
• 1 teaspoon dried parsley
• 1/2 teaspoon dried dill
• 1/2 teaspoon onion powder
• 1/2 teaspoon smoked paprika
• 4 cups (960 ml) low-sodium chicken broth
• 1/2 cup (120 ml) buffalo wing sauce, plus more to taste
• 1 1/2 lb (680 g) boneless skinless chicken breasts
• 1/2 teaspoon kosher salt, plus more to taste
• 1/4 teaspoon black pepper
• 6 oz (170 g) cream cheese, softened and cubed
• 1/2 cup (120 ml) heavy cream
• 1 cup (115 g) shredded sharp cheddar cheese
• 2 green onions, thinly sliced
• 1/4 cup (30 g) crumbled blue cheese, optional