Cut the beef into large pieces.
Season the beef with salt and pepper.
Heat olive oil in a pan and sear the beef until browned.
Sauté chopped onions, carrots, and garlic in a pot.
Add the seared beef, tomato paste, and red wine, and bring to a simmer.
Add bay leaves, thyme, and mushrooms.
Simmer on low heat for about 1 hour and 30 minutes.