ribeye steak marinade for grilling
1 Marinate steaks in the marinade and refrigerate for 1 hour; turn occasionally. 2  Grill should be heated to medium-high. 3  Shake onion bits from the steaks and grill until medium-rare -- about 5 minutes -- or longer if desired.
Directions. 1  Whisk vinegar and olive oil together in a large nonreactive baking dish. 2  Add onion, thyme, salt, and pepper. 3  Marinate steaks in the marinade and refrigerate for 1 hour; turn occasionally. 4  Grill should be heated to medium-high.