Heat the oil in a pot and sauté the onion until soft. Add the ground beef, salt, and pepper, and cook until browned.

Add the tomato paste to the beef and onion mixture, stir until dissolved, then remove from heat.

Cover the lentils with water in a separate pot and bring to a boil.

When the lentils are almost cooked, add the pasta and beef bouillon cube. Cook for 10 minutes, adding more water as needed.

Add the onion and beef mixture to the lentils and cook for a few more minutes, then remove from heat.

Stir in the parsley and serve.