Start a Task without waiting

public class HomeController : Controller
{
  public ActionResult Index()
  {
    ViewData["Message"] = "Welcome to ASP.NET MVC!";

    Task.Run(()=> DoSomeAsyncStuff());

    return View();
  }

  private async void DoSomeAsyncStuff()
  {

  }
}

For .NET Core I use this

_ = Task.Run(() => SomeAsyncFunction());