When c anning f orlong periods, alternate theuseofsurface
cooking a reas, elements orsurface b urners between batches.
This allows t ime forthemost r ecently used areas t ocool.
• Center thecanner onthegrate orlargest surface c ooking
area orelement. Canners should notextend m ore than1in.
(2.5 cm)outside t hecooking a rea.
• Donotplace canner ontwosurface c ooking a reas, elements
orsurface b urners atthesame time.
Onceramic g lass m odels, only use flat-bottomed canners.
Oncoilelement models, theinstallation ofaCanning U nit K it
isrecommended.
If notinstalled, thelifeofthecoilelement
will b eshortened. See "Assistance
orService" forordering
instructions.
Formore information,
contact yourlocal U .S. G overnment
Agricultural Department
Extension Office. InCanada, contact
Agriculture Canada. Companies
thatmanufacture
home
canning products canalso offer a ssistance.
IMPORTANT:
Never leave empty cookware onahotsurface
cooking a rea, e lement orsurface b urner.
Ideal cookware should have a flatbottom, straight sides, awell-
fitting lidand thematerial should beofmedium-to-heavy
thickness.
Rough f inishes may scratch t hecooktop. Aluminum a nd copper
may beused asacore orbase incookware. However, when used
asa base itcanleave p ermanent marks o nthecooktop o rgrates.
Cookware material isafactor i nhow quickly a ndevenly h eat i s
transferred,
which affects c ooking r esults. Anon-stick finish has
thesame characteristics
asitsbase material. Forexample,
aluminum c ookware withanon-stick finish will t ake onthe
properties ofaluminum.
Use thefollowing c hart a saguide forcookware material
characteristics.
COOKWARE
CHARACTERISTICS
Aluminum
•
Heats quickly and evenly.
•
Suitable for all types of cooking.
•
Medium or heavy thickness is best for
most cooking tasks.
Cast iron
•
Heats slowly and evenly.
•
Good for browning and frying.
•
Maintains heat for slow cooking.
Ceramic
or
•
Follow manufacturer's
instructions.
Ceramic
glass
•
Heats slowly, but unevenly.
•
Ideal results on low to medium heat
settings.
Copper
•
Heats very quickly and evenly.
Earthenware
•
Follow manufacturer's
instructions.
•
Use on low heat settings.
•
See stainless steel or cast iron.
Porcelain
enamel-on-
steel or cast
iron
Stainless steel
Heats quickly, but unevenly.
A core or base of aluminum or copper
on stainless steel provides even
heating.
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