Possible Clues:

• Is the spirited vessel even so illegal? (6)
• It's for the cooking, even if it's illicit
• What's still produced illegally in Ireland?
• Illegal spirit distilled from potatoes and other stuff
• Even if it's under the saucepan it's illegal
• Strong enough to have it on the fire, even if it's illegal
• Illicit whiskey (Irish)
• Illicitly distilled whiskey
• It's on the fire, even if it's still out of it
• There's something cooking there, even if it's illegal