Set oven racks in center preheat oven to 425 degrees.
Peel the potatoes, then coarsely grate them with the onion together in food processor or by hand using a box grater. Place potato mixture in a fine sieve and press down firmly with paper towel to remove excess moisture. Stir and repeat a few times with fresh paper towels until liquid is mostly drained. Transfer potato mixture to bowl and mix in eggs, salt, baking powder and garbanzo flour.
Layer & Spray parchment over an oven tray
Scoop by spoon the mixture into round circles ( I used ring mold to shape them nicely but it’s not must ... )
Bake for 7 minutes and flip them, bake for 5-7 minutes longer or until golden brown, enjoy😊