Marinate your beef in a bowl with 2 tablespoons of olive oil, 2 tablespoons of creole, onion powder, soy sauce, salt, and pepper. Massage the ingredients together with your hands. Use cling film to cover the bowl and marinate in the refrigerator for 30 minutes.
Marinate your shrimp with 1 tablespoon of olive oil plus 1 teaspoon of creole seasoning. Place the cling film-covered bowl in the refrigerator.
Cook your beef in a large pot on high heat with 1 teaspoon of olive oil. Then, fish sauce, white vinegar, and broth. Cover and simmer for 1 hour and 20 minutes.
After your yakamein soup has cooked, add the marinated shrimp and cook for another 5 - 10 minutes.
Fill your medium pot ¾ full with water. Then add your pasta and cook it over medium to high heat until cooked (approximately 8 - 12 minutes). Set aside once cooked.
Add an individual amount of pasta to a bowl.
Spoon yakamein soup over the top, and sprinkle with scallions.