What is the fine-grained topic of the following text: The cooks were Peter Repka, I. Vacval and Mark Popik, with support of Zita Belzar, Helen Panov and Katka Baros with family, who prepared a fantastic meal consisting of: ham, hurky, sausage, souerkraut, potatoes and sweets with coffee. Only return the topic.
Preparation of a meal by a group of cooks