Bucket of hot water, with a generous squeeze of Dawn dishwashing liquid.
A 3M scratcher, brown.
https://www.scotch-brite.com/3M/en_US/scotch-brite/tools/~/Scotch-Brite-Greener-Clean-Non-Scratch-Scour-Pad/?N=4337+3294529207+3294631751&preselect=3292304617+3293786499&rt=rud
Careful, will scuff paint and chrome...
The green version of the scratcher is too harsh...
Wipe with lint free towel...