@kolev I've prepared this version a few times and they are pretty great!
https://theveganatlas.com/vegan-matzo-balls/ 
Vegan Matzo Balls (no hametz, with a gluten-free variation) - The Vegan Atlas
This recipe for vegan matzo balls uses quinoa flakes as a binding ingredient and they're baked rather than cooked. There's even a gluten-free option!
The Vegan Atlas