southern dressing recipe

Ingredients: 8 cups crumbled cornbread (homemade or store-bought) 4 cups cubed white bread, dried overnight 1 stick unsalted butter (1/2 cup) 1 large onion, finely chopped 4 celery stalks, finely chopped 4 cups chicken broth (more if needed) 3 large eggs, beaten 2 teaspoons dried sage 1 teaspoon dried thyme 1 teaspoon poultry seasoning