Stir-fry the Beef Strips on medium heat until nicely browned on all sides; leave to rest for a few minutes. Follow the same procedure for the Smoked Bacon Strips.
Sauté the onion, carrots and garlic slices in a few tablespoons of oil in a deep casserole. Add the tomato paste and sauté shortly. Deglaze with the red wine and add the potatoes, bay leaves, thyme and parsley to the pot. Simmer, uncovered, for about 15 minutes. Scrub the mushrooms and add these to the sauce, together with the pearl onions. Simmer for another 5 minutes, then add the Beef Strips and the Smoked Bacon Strips. Warm through and season to taste with salt and pepper.