1. Cook two potatoes in water until soft. Drain the water and mash.
2. Combine all ingredients: grated potatoes, mashed potatoes, sauteed onions, salt, and pepper.
3. Arrange patties on an oiled Gefen Parchment Paper. Spray some oil on top and bake on 375 for 25 minutes, Flip once and bake for another 10-15 minutes.
4. Sprinkle some salt and serve immediately!