This simple classic of the Argentine pampas will be a hearty favorite right in your own home.
Preheat grill to 400°F.
In a bowl, whisk beef base, olive oil, garlic, and black pepper.
Add steaks to mixture and coat. Marinate in refrigerator for 30 minutes or up to 6 hours.
When ready to cook, place steaks directly on grill and allow grill to flame-up, while turning steak to char outer surface.
Cook to desired temperature (approximately 5–6 minutes).