Spaghetti with whitefish balls

I remove skin from the two whitefish fillets.I cut them into pieces.I remove the bread crust and cut into pieces. I put fish and bread in a processor. I process to a paste.I put in a bowl and add grated cheese, parsley, salt and pepper.I lightly beat the egg in a bowl.I add half to the mixture. I mix and rest for 10 minutes; it should be fairly firm. I shape balls the size of a large cherry.I prepare them all and coat in flour.I prepare them all.I heat plenty of oil and a garlic clove in a large pan, add fish balls and brown.Once golden, I add tomato sauce containing chilli, dilute with a glass of water, adjust salt and cook covered for about ten minutes. I remove garlic.I cook spaghetti until firm. I add cooked spaghetti to the hot sauce and mix gently for a few minutes without breaking the balls, adding pasta water if needed.I plate with a pinch of oregano and a drizzle of extra virgin olive oil.