Chicken Pot Pie Soup (Paleo)

Name: Chicken Pot Pie Soup (Paleo)
Cuisine: American
Ingredients: 3 cups cooked chicken (white and dark meat (see directions on how to cook chicken below)); 2 tablespoons butter or ghee or fat of choice; 1 onion (diced); 5 cloves garlic (minced); 1 pound peeled potatoes (roughly chopped); 1 pound peeled potatoes (diced); 2 cups chicken broth; 1 cup full-fat canned coconut milk; 3 carrots (chopped); 2 celery ribs (diced); 1 cup frozen peas; 1 teaspoon salt; ½ teaspoon black pepper; ½ teaspoon cayenne (optional); 1 tablespoon chopped fresh sage; 2 teaspoons chopped fresh thyme; 2 teaspoons chopped fresh rosemary