Firstly in a pan put 1 Tbsp of oil on med high heat, cook onion , bacon and chorizo till onion is softened and bacon and chorizo are browned and cooked.
When done allow to cool.
Once white sauce is cooled enough add 1/4 cup to the mashed potato, cooked bacon, chorizo and onion.
Add 1/4 cup flour and season with salt. Mix with hands.
I made these into golf sized balls. If time you could set these in the fridge to firm.
To coat, roll balls in flour and shake off excess.
Dip in beaten egg mix, then roll in panko breadcrumbs.
Set aside and repeat until all are covered.
With a large pan, add oil and heat on medium heat and shallow fry until balls are nice and golden. Drain on paper towel.
Serve with salad leaves and what ever sauce you like.