1. Prepare the accompanying sauces:
2. Tartar sauce: mix 125 g of mayonnaise with capers, parsley, and chopped pickles. Season with salt and pepper.
3. Aioli sauce: mix 125 g of mayonnaise with 2 crushed garlic cloves. Season with salt and pepper.
4. Celery sauce: mix cream with celery, nuts, and lemon juice. Season with salt and pepper.
5. Anchovy tomato sauce: mix tomato puree with anchovies and olives. Season with salt and pepper. Reserve the sauces in the refrigerator.
6. Cut the meat into approximately 2 cm cubes.
7. Heat the oil in a fondue pot with thyme and bay leaf. Once hot, remove them and bring the oil to the table, keeping it warm. Cook the meat pieces in the oil one by one, drain, and enjoy.
8. Serve with the sauces, a large plate of mixed salads, and fries or rice.