Have you ever eaten fish cakes? It’s easy to cook, just like other cutlets, such as chicken or pork or roast cutlets. The Internet is full of fishcake recipes. Here is an example of this:
Ingredients:

1 kg of fish carcasses or 700 g of fish fillet
100 g butter
1 raw egg
1 onion
2 slices of yesterday's loaf
200 g breadcrumbs
cooking oil
1 tsp salt
0.3 tsp freshly ground black pepper
Pure fish fillet
Peel the onion, cut lengthwise into 2 parts, and chop into large pieces arbitrarily.
tear the loaf into pieces, you can peel or leave, add a third of a glass of cold milk or water, the bread should be nourished.
From all the ingredients we make minced meat.
Add minced salt, pepper, and egg.
mix
Wet hands make a cutlet.
Each cutlet is breaded in crackers.
We put the patties in a preheated pan and fry until cooked.
Enjoy your meal!