Sweet Potato Casserole with Pineapple and Bourbon Ingredients 5½ lb. sweet potatoes ½ cup dark brown sugar ¼ cup bourbon 4 tbsp. unsalted butter, melted 1½ tsp. kosher salt 1 tsp. ground cinnamon 1 tsp. ground ginger ½ tsp. ground allspice ½ tsp. freshly grated nutmeg ½ tsp. ground black pepper 2 eggs 1 (8-oz.)