Cool the goulash and store for a make-ahead meal. Reheat over medium heat, adding a splash of stock or water if mixture is too thick.
03To serve, bring a large pot of water to boil for the pasta while the sauce reheats. Salt the water and cook the macaroni to al dente. Reserve a little starchy cooking water before draining.04Stir a few spoons of sour cream into the goulash. Incorporate the macaroni into the goulash and add the starchy water as you go to keep the mixture from becoming too dry.05Top the goulash with blue cheese crumbles and herbs, and serve.