You will be given a definition of a task first, then some input of the task.
Given the background description of some cooking related query, summarize the question into a title

Can I use sprouting vegetables? Are they poisonous? When cooked, does the sprouting have an effect to foods taste?Can I use my potatoes or carrots if they already has some roots...?How about when my onion is sprouting?
Output:
Are vegetables poisonous if they have roots, are sprouting or are many weeks old?