The principle for cleaning oven trays and grills is simple: Let time and soap do the work.
Of course, this takes less time and is easier the more often you do it.
If it's really stuck, you might need to add more soap, water, and time, but eventually the soap will break down the dirt, and it becomes easy to remove.
Is it possible to use something stronger to make the process faster? - Yes, of course. There are almost always stronger and more powerful chemicals available, but the question is whether you want to “deal with them” and if you want to cook on that surface later.

Here is my suggestion for how you can clean trays and grills with minimal effort and without any unnecessary chemicals.
- Soap the trays
- Create some foam with a sponge or eco-fiber cloth
- Place in a plastic bag and leave overnight or even several days if it's really bad. If you let the trays sit longer than overnight, it's a good idea to check them to ensure they are still wet with soap and water. They should not dry out.
- When you notice that the dirt is loosening, simply scrub them with eco-fiber, a sponge, or a stiffer brush, whatever suits you. Personally, I find a copper scrubber very effective for oven grills. It's so easy to take it around each “rod” in the grill and clean it with a single swipe.
- Then it's just to rinse and dry!
1. How do I clean oven trays most easily?
Answer: Soap the tray with soap and water, let it sit in a sealed plastic bag until the soap has dissolved the dirt, and you can easily wipe it off. More time and soap make the job easier.
2. Are there stronger chemicals that make the job faster?
Answer: Yes, there are almost always stronger chemicals, but the question is whether you want them in your kitchen?
3. Does this trick work on grill grates too?
Answer: Yes
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