If that doesn t work apply a bit of oil to the inner rim of the bottom cooking bowl.
How to remove two ceramic dishes stuck together.
I have had to do glasses that way.
Cool the inner lid ice sound like a great idea and warm the outer one at the same time.
Put the stuck bowls inside the freezer for about 2 hrs.
The bowls will loosen and you will be able to easily unstick them.
You can add dish washing liquid to the water to create some slippery substance to coat the surface.
To loosen the bowls place the bottom one in hot water and fill the top one with ice.
I even tried putting them in the dishwasher to see if that would help loosen them up no luck.
Nothing is more annoying than when two cooking bowls are stuck together.
Then put the stuck bowls upside down in the sink make sure that you put something between the sink and bowls to prevent breakage.
It is the preferred method for separating 2 glasses stuck together there s no reason it can t work for lids.
Put ice in the top bowl and let it get cold.
Another suggestion involved dipping the bottom bowl in hot water and putting ice in the top bowl no luck.
Put cold water inside the smaller bowl up to about 1 4 inch below the rim.
The best way to separate ceramic bowls that are stuck together is to submerge them in hot water.