Steak cooking instructions based on those by Jess Pryles in her recipe Grilled Ribeye Cap w. Caramelized Onion Butter & Truffle SaltYou can go to her site for the oinion butter and truffle salt recipes, or you can use any compound butter you like.
Heat a grill or cast-iron skillet or flat-top on high heat.
Season the ribeye cap with salt and pepper.
When the surface is hot, oil it with the butter.
Place the rib cap on the cooking surface and sear
Cook, turning every 1-2 minutes
After a few turns, start to temp your steak with your Thermapen ONE inserted into the steak reads no lower than 125°F (52°C) for medium rare, or 130°F (54°C) for medium.
Remove the ribeye cap from heat and let it rest for a few minutes. Slice across the grain and serve with compound butter.