Mashed Potato Doughnuts Recipe: How to Make It

Ingredients

• 1 package (1/4 ounce) active dry yeast
• 1 cup warm buttermilk (110° to 115°)
• 1-1/2 cups warm mashed potatoes (without added milk and butter)
• 3 large eggs, room temperature
• 1/3 cup butter, melted
• 3 cups sugar, divided
• 4 teaspoons baking powder
• 1-1/2 teaspoons baking soda
• 1 teaspoon salt
• 1 teaspoon ground nutmeg
• 6 cups all-purpose flour
• Oil for deep-fat frying
• 1/2 teaspoon ground cinnamon