Poulet Au Pain | James Beard Foundation

Ingredients

• 3 cups all-purpose flour, plus more as needed
• 1 1/2 teaspoons kosher salt, plus more as needed
• 1/2 teaspoon sugar
• 12 tablespoons (1 1/2 sticks) unsalted butter, cut into pieces
• 1 tablespoon olive oil
• 2 peeled and chopped celery stalks
• 1 peeled and chopped medium carrot
• 1 chopped medium onion
• 1 tablespoon chopped fresh rosemary
• 1 3- to 3 1/2-pound chicken, giblets and excess fat and skin removed, and patted dry
• Freshly ground black pepper
• 1 large egg, beaten