Mackerel fish cakes

Name: Mackerel fish cakes
Prep time: 20 min
Cook time: 10 min
Total time: 30 min
Cuisine: European, British
Ingredients: 1 fillet Smoked mackerel; 3 medium Potatoes; 1/2 Red onion; 1/2 Red capsicum ((Bell pepper)); 1 stalk Spring onion ((scallions)); 1/2 Red chilli ((Adjust to taste)); A bunch Chopped parsley; Salt and Pepper to taste; 1 Egg yolk; 1 cup Flour; 2 Eggs; 1/2 cup Milk; 2 cups Panko bread crumbs; Cooking oil