The Ultimate Green Bean Casserole with Crispy Fried Shallots | Williams Sonoma

Ingredients

• Canola oil for frying, plus 1 Tbs.
• 1/2 cup (2 1/2 oz./75 g) all-purpose flour
• Kosher salt and freshly ground black pepper
• Pinch of cayenne pepper
• 6 large shallots, peeled and sliced into thin rings
• 1 Tbs. canola oil
• 2 Tbs. unsalted butter<br>
• 1 lb. (500 g) cremini mushrooms, sliced
• 1/4 cup (2 1/2 oz./75 g) finely chopped shallots
• 1/4 cup (1 1/2 oz./45 g) all purpose flour
• 1 cup (8 fl. oz./250 ml) chicken stock
• 1 cup (8 fl. oz./250 ml) heavy cream
• 2 lb.(1 kg) green beans, trimmed and blanched