Make sweet onion-cilantro salsa by combining all ingredients in a bowl.
Make dry rub by combining all ingredients in a small bowl.
Liberally season the meat with salt and then sprinkle on some of the dry rub and rub it into the meat.
When the grill is ready, grill the meat over a hot flame. Since these cuts vary widely in size, you'll have to keep an eye on them. Flip them often, so all sides see the heat. Total cooking time should only be a few minutes, maybe 4-8, depending on the size of the strips and the temperature of the grill. If you like your meat cooked more than medium rare, then grill a little while longer.
Serve strips whole or cut into chunks across the grain of the meat. Serve with the sweet onion-cilantro salsa.