01 - Bring a large pot of salted water to a boil and cook macaroni until al dente. Drain and reserve.
02 - Heat a skillet over medium-high heat. Add ground beef and sliced leek, sautéing until the beef is browned and the leeks are tender. Drain excess fat.
03 - Reduce heat to medium and pour in heavy cream, beef broth, and a pinch of nutmeg. Stir to combine and simmer gently for 5 minutes.
04 - Gently fold cooked macaroni into the creamy beef and leek mixture. Toss until evenly coated and heated through, then serve immediately.