Mofongo [Video+Recipe] Garlicky Fried Plantain

Name: Mofongo [Video+Recipe] Garlicky Fried Plantain
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American, Latin American, Caribbean
Ingredients: 2 tablespoons olive oil; 1 pound beef bones ([0.45 kg] any type would do); 1 tablespoon mashed garlic (cloves); 1 red onion (halved); 1 sprig cilantro; 1 sprig of recao/cilantro ancho/culantro (optional); ¼ tsp oregano (dry, ground); ¾ tsp salt ((or more, to taste)); 1 cup oil for frying ((vegetable oil)); 4 plantain (green, unripe); 1 pound pork cracklings ((fried pork skin) minced ); 4 garlic cloves (mashed (about 2 tablespoons)); 1½ tsp salt ((or more, to taste)); 4 plantain (green, unripe) (unpeeled); 1 1 pork cracklings ((fried pork skin) minced); 1½ teaspoon salt; ¼ cup olive oil ((optional))