Old-Fashioned Buttermilk Doughnuts Recipe: How to Make It

Ingredients

• 2 cups mashed potatoes (without added milk and butter)
• 2 large eggs, room temperature
• 1-1/4 cups sugar
• 2/3 cup buttermilk
• 1/4 cup butter, melted
• 1 tablespoon grated lemon zest
• 4 cups all-purpose flour
• 3 teaspoons baking powder
• 2 teaspoons salt
• 2 teaspoons ground nutmeg
• 1/4 teaspoon baking soda
• Oil for deep-fat frying
• TOPPING:
• 1/2 cup sugar
• 1-1/2 teaspoons ground cinnamon