01 - 
                Preheat your oven to 200°C (400°F) and lightly grease a muffin tin to prevent sticking.
              
              
              
                02 - 
                In a large bowl, whisk together the eggs and sour cream until smooth.
              
              
              
                03 - 
                Stir in the shredded cheese, Parmesan cheese, and chopped chives, ensuring an even mixture.
              
              
              
                04 - 
                Gently fold the mashed potatoes into the egg mixture, mixing thoroughly but carefully to maintain texture.
              
              
              
                05 - 
                Spoon the mixture into the muffin tin, filling each cup about three-quarters full to allow for rising.
              
              
              
                06 - 
                Bake in the preheated oven for 20–25 minutes or until the tops are golden brown and puffed.
              
              
              
                07 - 
                Allow the puffs to cool slightly before removing them from the muffin tin. Serve with your favorite dip or as a side dish.