Add oil in the pan over medium heat, cook onion until soft, add carrot, celery, cabbage, garlic, stir-fry it until all veggies soft.
Add shredded turkey meat, salt, and pepper. Add the green onion. Set aside
Wrap the filling and roll the crepe like a burrito, put the croquette on the baking tray or another plate. Repeat it until all crepes and filling uses up, set aside.
Take one croquette, dip it on the whisked egg, then roll it on breadcrumb, set aside. Repeat it for all croquettes.
Transfer it to a plate with paper towel on it to drain the excess oil.