Add ⅓ cup soy sauce, ⅓ cup lemon juice, ½ cup olive oil, ¼ cup Worcestershire sauce, 1 tablespoon minced garlic, 2 tablespoons Italian seasoning, 1 teaspoon ground black pepper, ½ teaspoon salt, and 1 pinch red pepper flakes to a small bowl and whisk until combined.
Add 4 pounds of your choice of steaks to a resealable zip lock bag. Pour the marinade over the steaks, seal the bag, and marinate for 2 hours or overnight.
