Makes about 8 (2-cup) servings Cuban Ropa Vieja (Stove or Slow Cooker) Recipe Type: Entree Ingredients Olive oil spray 2 1/2 pounds flank steak, cut crosswise into three pieces 2 large onions, sliced thinly 2 bell peppers (any color), sliced thinly and seeded 3 garlic cloves, minced 2 tablespoons apple cider vinegar 2 cups