Prep Time::15 mins
Cook Time::40 mins
Additional Time:: 4 hrs
Total Time:: 4 hrs 55 mins
Servings::6
Ingredients
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2 pounds beef sirloin steak, thinly sliced against the grain
2 large white onions, sliced into rings
1 cup beef stock
½ cup olive oil
¼ cup distilled white vinegar
2 tablespoons minced garlic
1 (.18 ounce) packet Sazón seasoning
1 teaspoon salt
1 pinch dried oregano
Directions
Combine steak, onions, beef stock, olive oil, vinegar, garlic, Sazón seasoning, salt, and oregano in a large resealable bag; toss to coat steak with marinade. Squeeze out excess air, and seal the bag. Marinate in the refrigerator for at least 4 hours, or up to 2 days.
Transfer contents of bag to a large deep skillet; bring to a boil. Reduce heat to low; cover and simmer until steak is fork-tender, about 40 minutes.