Preheat skillet on medium heat.
Crack eggs in medium bowl.
Whisk eggs together.
Add tuna to the eggs.
Stir all dry ingredients into the mixture.
Spread 1 tsp butter or olive oil unto the skillet with a spatula.
Using a tablespoon, scoop the mixture into the pan.
Flip when all edges are bubbling.
Remove fish cake when the other side is bubbling.