Peel and grate the potatoes and onions. Squeeze out any excess water.
Beat the egg whites till stiff. Mix all the remaining ingredients together in a large bowl. Add the stiff egg whites and fold into the mixture.
Preheat the oven to 350°F/ 175 C
Pour the mixture into a greased ovenproof baking dish. Brush the top with some olive oil.
Bake for 1-1½ hours till the top is golden brown and crispy.
SERVES 8-10
Find it online: https://melissamayo.com/recipe/potato-kugel/