sprinkle a 1 inch thick filet of fish (cod, snapper, salmon, etc.) with 1 tsp salt and leave for 30 minutes.  
make some rice.  
heat a fry pan (dry) over med/high heat and lay the fish in it.  
cook for 4 minutes (let it sit and form a crust... no need to move it).  
turn it over and cook for 4 more minutes.
sprinkle with lemon juice and eat on rice.