Colombian Steak with Onions and Tomatoes: Cook thin strips of sirloin tip steak seasoned with salt and garlic powder in hot skillet with oil. Set aside, and In medium-heat cook onions in oil for a couple minutes than add tomatoes, salt, pepper, cumin and simmer with 1/4 cup of water to create sauce. Combine with steak and its drippings and serve over rice or with a fried egg.