This article is sponsored by Certified Angus Beef BrandChef Michael Ollier showed us how to make a Tequila Lime Marinade flank steak. He starts with lime juice and adds garlic, olive oil, and tequila. He also said seasoning before adds flavor but he usually just adds a little salt on the meal after its done cooking. Chef Ollier only cooks with Certified Angus Beef Brand because of the marbling. Flank Steak with a Tequila Lime Marinade.