Cleaning burnt-on grease from oven trays can be a daunting task, particularly when the grime is left to set for days. Many people face the challenge of cleaning kitchen grease, which can be particularly stubborn and time-consuming. Despite regularly cleaning the oven, it’s recommended to clean the oven trays after every use, a task that is often neglected.

In the case presented, the individual initially relied on conventional methods like washing-up liquid and a sponge scourer to tackle the difficult grease stains. However, after delaying the cleaning task, those standard cleaning methods proved insufficient against the burnt-on grime. The frustration of not being able to restore the oven trays to a clean state highlights a common household issue that many face.

The article emphasizes the discovery of a particular cleaning product that made the process significantly easier, allowing the individual to remove the grease stains in just 15 minutes without needing to scrub. This product could be considered a 'godsend' for anyone struggling with similar cleaning challenges, suggesting that the right tools and products can simplify household chores and restore appliances efficiently.