Easy Homemade Cream of Chicken Soup (Ready in 20 Minutes)

Ingredients

• 5 tablespoons unsalted butter
• 2/3 cup (85 g) all-purpose flour
• 3 cups (720 ml) low-sodium chicken broth, warm
• 1 1/2 cups (360 ml) whole milk, warm or room temperature
• 1 teaspoon chicken bouillon base or granules
• 1/2 teaspoon onion powder
• 1/4 teaspoon garlic powder
• 1/4 teaspoon celery seed or celery salt
• 1/4 teaspoon black pepper
• 1/2 teaspoon kosher salt, plus more to taste
• 1/3 cup (45 g) finely shredded cooked chicken
• Extra chicken broth, as needed for thinning