Salpicón De Res (Central American Shredded Beef Salad)

Found online; posting for ZWT 7-Central America (Guatemala). Recipe states: It is a refreshing salad that is great as a topping for tostadas or wrapped in fresh corn tortillas.

• Ready In: 2 hrs 30 mins
• Serves: 4-6

Ingredients

• 2 -2 1⁄2 lbs beef flank steak or 2 -2 1⁄2 lbs  skirt steaks
• 1  onion, chopped
• 1⁄3 cup olive oil
• 1⁄4 cup vinegar
• 1 1⁄2 teaspoons oregano
•  salt and pepper, to taste
• 3  tomatoes, seeded and chopped
• 1  onion, thinly sliced
• 3  serrano chilies, minced
• 2  avocados, chopped

Directions

1. Add the beef, onion and salt to a large pot and add water to cover. Bring to a boil, reduce heat to medium-low and simmer for 1 1/2 to 2 hours, or until meat is very tender.
2. Remove the meat and reserve the stock for soup or other recipes. Shred the meat with your fingers when it is cool enough to handle.
3. Add the olive oil, vinegar, oregano, salt and pepper to a large bowl and whisk together.
4. Add the tomatoes, sliced onion and chiles and toss together.
5. Set a side for a few minutes to let the vegetables marinate.
6. Gently toss the shredded beef and avocados with the marinated vegetables and adjust seasoning.
7. Spread on a serving platter and serve chilled or at room temperature with warm tortillas.