Citrus Zest Belgian Potato Pancakes

Method

1. In a large bowl, combine grated potatoes, flour, egg, milk, and salt.
2. Sauté the chopped onion in butter until softened.
3. Insert_before 2: Stir lemon and orange zest into the potato mixture before cooking.
4. Add the potato mixture to the pan and cook into pancakes.
5. Cook until golden brown on both sides.
6. Serve warm with sour cream or mustard.