Ropa Vieja with Plantain Cups and Citrus Crema

Name: Ropa Vieja with Plantain Cups and Citrus Crema
Ingredients: 3 tbsp + 1 tbsp vegetable oil; 2 lbs flank steak; 2 tsp Adobo seasoning; 2 carrots; 2 stalks celery; 4 yellow onions; 1 Bay leaf; 32 oz beef broth; 3 bell peppers; 2 jalapeno peppers (ribbed and cut into brunoise); 4 garlic cloves (minced); 4 oz sofrito; 16 oz canned plum tomatoes (chopped); 2 tsp Sazon seasoning; 1 tsp black pepper; cilantro for garnish; 2 plantains; Oil for frying; Oil for greasing squeezer; 1 Lime; 1 Lemon; 1 cup sour cream