INGREDIENTS
3
medium yellow onions, peeled and quartered
4 lb
russet potatoes (about 10 medium), peeled and quartered
4
large eggs
4
large egg whites
1/4 cup
plus 2 tablespoons melted chicken schmaltz or vegetable oil, divided
1 tsp
baking powder
1 1/2 tbsp
kosher salt
1 tsp
finely ground white pepper
Chopped fresh parsley and chives, for garnish