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