Possible Clues:

• Cook slowly
• That's enough to make me heated if I am myself in this way
• Burn in Hades? I'm merciless
• Be boiling and rise about a couple of thousand
• Keep just short of boiling point, water or temper
• Cook, one dieting, manages to lose a pound
• Stew
• With less fat, pound off stew
• No spring
• Little boil might rise about two thousand