Put the steaks into a one-gallon food storage bag. Add the pineapple juice, olive oil, garlic, and steak sauce to the bag. Push out all the air from the bag and seal it. Refrigerate for four hours to overnight.
You can cook this in a broiler or on a charcoal grill. For broiling, preheat the broiler rack in the broiler at 550 degrees. For grilling, fire up the charcoal as hot as you can get it.
Remove the steak from the marinade and shake off the excess. Bring it up to room temperature by microwaving at the lowest possible power until it's just cool to the touch.
You can cook this in a broiler or on a charcoal grill. For broiling, preheat the broiler rack in the broiler at 550 degrees. For grilling, fore up the charcoal as hot as you can get it.
Season the steaks with crushed red pepper, cumin, coriander seeds, salt, and pepper. Push the seasonings into the meat.
Grill or broil the steaks for six to eight minutes on each side. Put the steak on a cutting board and let it rest for about five minutes.
Slice the steak across the grain into quarter-inch-thick slices.
