If my stove top didn't look like this in the first place:
This baking soda and hot towel trick for 15 minutes may have worked.
As you can see, below, it worked, slightly. What really worked was the benefit of the hot, wet towel on the stove top. It softened up the rings around the burners. I then decided that I needed to work the burns with a blade. And I did. Much of it came off.
Until I broke the blade.
So I'll show you the bottom corner of our main burner that is now clean!
I still have the white scratches in the middle of each burner. Any ideas on how to get rid of those?
Here is the inspiration pin for this 'At Home Remedy':