2-3 cans of tuna in water
Drain well and press out excess moisture then break up the tuna so its not in big chunks
2 eggs lightly beat them in a bowl then add tuna
1/2 finely diced onion
1 clove minced garlic
1/2 cup panko (you can omit this if you want to reduce calories/carbs but it will challenged the structural integrity and crispiness)
add Parmesan or other hard flavorful cheese of your choice (fresh grated is best)
salt and pepper to taste
Form into patties of your desired size using your hands

You can fry them in a pan with a bit of butter/animal fat which is my preferred method or bake them if you want less fat. Absolutely delicious, very little fishy taste, easy to make and they store well. You can also make a simple dipping sauce using mayo, mustard and lemon juice which goes really well with them.