INGREDIENTS
•
2 tablespoons unsalted butter, plus more
•
1 medium boule sourdough, cut into 1-inch pieces (9–10 cups), dried out overnight
•
2 tablespoons olive oil
•
1 pound sweet or spicy Italian sausage, casings removed
•
2 large onions, finely chopped
•
3 celery stalks, chopped
•
1/4 cup finely chopped sage
•
Kosher salt, freshly ground pepper
•
1 cup dry white wine
•
2 large eggs, beaten to blend
•
1 cup low-sodium chicken broth
•
2 cups half-and-half
•
1 pound aged cheddar, grated (about 5 cups), divided