I have pasta, sausage, and beef stock. What can I make?

You don't need sauce...You can make pasta with some butter and have the sausage on the side. This could also make it so you don't have to eat the meat. If you have lettuce and dressing you can serve it with a salad.

take the sausage meat out of the skin, make them in to mouth size meat balls. fry them off till golden brown. reduce the beef stock down with maybe some fresh tomatoes, salt, pepper. and a few herbs. reduce down to a nice consistency for a sauce. add to the meatballs and stir it all through, add your cooked pasta preferably spaghetti, but if not any pasta will do. add the meatballs and sauce to the drained pasta and stir through, then server. obviously if you have any herbs and spices laying around throw them in too. basil would work well. but parsley,sage,thyme could all work. this will just lift the dish up and enhance the flavoring. a small amount of flour can be added to the beef stock to help thicken it, not too much though it will over power the dish and ruin it. hope this works for you. all he best.

I am not a fan of sausage, but I would make meat balls out of the sausage, using egg, bread crumbs etc and cook them and serve them on the side. For the pasta, just cook it in water and drain. Then add some butter OR olive oil, sprinkle with dried basil and some parmesan cheese, maybe a little garlic powder. I make this type of pasta all the time if I am in a hurry or don't have anything else on hand because I always have pasta, butter and olive oil, parmesan cheese and a variety of spices and seasonings.