1/2 cup matzah meal
1/2 cup potato starch
1 cup milk
2 teaspoons Pesach baking powder
Slice onions into thick rings
Mix, egg, matzah meal, potato starch milk, egg and baking powder together.
It should form a thick but runny batter.
Dip the onion rings into the batter.
Deep fry in oil until golden brown.