Grill unseasoned - they will retain more blood this way. If you have fresh rosemary cover the steak with a few branches as it cooks. It the meantime put a teaspon of butter (per steak) in a ramekin and mix with some copped garlic (or garlic powder if you feel lazy). Once steaks are done they way you want them, season with salt and pepper and put previously prepared butter over them to melt evenly. Now put a bit of chopped parsley over them and it's ready to serve. Cheddar mashed potatoes are one of the best sides for steak.