Nana’s Chicken and Rice Stew

Name: Nana’s Chicken and Rice Stew
Cuisine: Southern
Ingredients: 4 Tbsp. salted butter; 1 Tbsp. extra-virgin olive oil; 1 large onion, finely chopped; 2 large carrots, peeled, chopped; 2 celery stalks, thinly sliced; 1 cup shiitake mushrooms, stems removed, thinly sliced; 1 lb. skinless, boneless chicken thighs; 1 Tbsp. Diamond Crystal or 1¾ tsp. Morton kosher salt, plus more; Freshly ground white or black pepper; 2 sprigs sage; 2 sprigs thyme; 1 cup basmati rice; 1 Tbsp. finely chopped marjoram; 1 Tbsp. finely chopped rosemary (optional); 1 Tbsp. finely chopped parsley, plus more for serving (optional)