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Canning and OversizeCookware
All canners and large pots must have flat bottoms and
must be made from heavy-gauge materials. This is critical
on smoothtop surfaces. The base must not be more than
1 inch larger than the element.
When canners and pots do not meet these standards, cooking
times may be longer, and cooktops may be damaged.
Surface Cooking
Some canners are designed with smaller bases for use on
smoothtop surfaces.
When canning, use the High heat setting only until the
water comes to a boil or pressure is reached in the canner.
Reduce to the lowest heat setting that maintains the boil or
pressure. If the heat is not turned down, the cooktop may be
damaged.