1. In a small bowl, mix together garlic, soy sauce, oil, ketchup, oregano, and black pepper. Pierce meat with a fork on both sides. Place meat and marinade in a large resealable plastic bag. Refrigerate 8 hours, or overnight.
2. Preheat grill for medium-high heat.
3. Lightly oil the grill grate. Place steak on the grill, and discard marinade. Cook for 5 to 8 minutes per side, depending on thickness. Do not overcook, as it is better on the rare side.
Calories 222 kcal 11%
Carbohydrates 3.8 g 1%
Cholesterol 75 mg 25%
Fat 9.1 g 14%
Fiber 0.4 g 2%
Protein 30.1 g 60%
Sodium 1313 mg 53%