1/4 cup soy sauce
1/4 cup olive oil
2 tablespoons water
2 cloves garlic, peeled and chopped
ground black pepper to taste
4 pounds beef tri tip, cut into 1/2 inch slices
1. In a large, non-reactive bowl, blend the soy sauce, olive oil, water, garlic and pepper. Place the beef tri tip in the marinade. Cover and marinate in the refrigerator at least 4 hours.
2. Preheat an outdoor grill for high heat and lightly oil grate.
3. Grill the beef slices 3 to 5 minutes per side or to desired doneness. Discard remaining marinade.