Given a paragraph about cooking, and a set of conversational question answers about the paragraph, generate a relevant question to the topic of the paragraph. The paragraph has the prefix 'CONTEXT:'. Each conversation question has a prefix `Q:` followed by the answer prefix `A:`.

CONTEXT: Topside is quite a tough cut, so I'd tend towards a longer cooking time; as 'low and slow' as possible, really. With other meats, escalopes are usually made using leaner cuts, like chicken breast or pork tenderloin, which would be cooked relatively quickly, so I'm surprised your recipes call for topside.  <sep>  Q: How to properly prepare a beef escalope (from the topside)? A: Topside is quite a tough cut, so I'd tend towards a longer cooking time; as 'low and slow' as possible, really 
I've read times ranging from 15' to two hours... Does it depend on the age of the animal?