The steam oven pans have been stacked together while they are hot. This can cause the steam oven pans to become stuck together.
Pour warm water over the steam oven pans.
Take hold of the outside edge of one of the steam oven pans with your fingers and try to create a gap between them.
Separate the steam oven pans.
If the steam oven pans still will not come apart, repeat the process.
Always place a tea towel or a sheet of paper towel between the steam oven pans for storage; see FigureĀ 1 and FigureĀ 2.
Do not forcibly stack the steam oven pans.