Brazilian Feijoada (Pork and Black Bean Stew)

Name: Brazilian Feijoada (Pork and Black Bean Stew)
Prep time: 1 h
Cook time: 3 h 30 min
Total time: 4 h 30 min
Cuisine: Latin American
Ingredients: 1 pound dried black beans; 4.5 ounces dried beef slices (Buddig or Carne Seca); 2 pound bone-in pork roast (or 1.5 pound boneless roast + hambone); 12 ounces Mexican-style chorizo; 14 ounces kielbasa sausage (sliced); 3 cups chopped onion (2 large onions); 6-8 cloves garlic (minced); 28 ounces crushed tomatoes; 2 bay leaves; ¼ - ½ teaspoons crushed red pepper; 2 large oranges (cut into wedges); 3 cups shredded collard greens or kale; 4 cups cooked white rice; Hot sauce; Farofa (toasted cassava flour) (optional)