Spiced Sweet Potato–Walnut Biscuits Recipe | James Beard Foundation

Ingredients

• Walnut Streusel:
• 1/2 cup brown sugar
• 1/2 cup chopped walnuts
• 1/4 cup flour
• 1/4 cup sugar
• 1/4 cup melted butter
• Sweet Potato Biscuits:
• 2 cups self-rising flour
• 1/4 cup plus 2 tablespoons brown sugar
• 3 tablespoons baking powder
• 1 1/2 teaspoons kosher salt
• 1 teaspoon baking soda
• 1 teaspoon ground cinnamon
• 1/8 teaspoon ground allspice
• 3 tablespoons shortening
• 2 tablespoons butter, cut into 1/2-inch cubes
• 1 cup mashed sweet potatoes (from about 1 large sweet potato, peeled, chopped and boiled until tender)
• 1/4 cup plus 2 tablespoons milk
• 2 egg whites, whisked