Fine literature it's not

• Poor novel likely to be steamy
• Hack novel
• Prize chicken perhaps that's quickly produced for money
• Quickly written novel of little merit
• Reader mightn’t stand this heat in the kitchen, perhaps?
• Novel by a hack

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Potboiler \Pot"boil`er\, n. A term applied derisively to any literary or artistic work, and esp. a painting, done simply for money and the means of living. [Cant]

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Pukhov, a careerist painter, sacrifices his artistic integrity by cynically painting potboilers to please factory and party committees. ▪ The title, like nearly everything else in this brilliant, incisive political potboiler ...

Wikipedia Word definitions in Wikipedia
A potboiler or pot-boiler is a novel , play , opera , film , or other creative work of dubious literary or artistic merit, whose main purpose was to pay for the creator's daily expenses—thus the imagery of "boil the pot", which means "to provide one's livelihood". ...