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From: Guy (
Subject: Re: no oil necessary - nt-
Date: January 26, 2004 at 6:15 pm PST

In Reply to: Re: no oil necessary - nt- posted by missvickie on January 26, 2004 at 11:46 am:

Have posted this before but it is worth repeating. If you vent steam from your pressure cooker for 1-2 minutes after closing the lid it will prevent foaming and valve clogging. It has worked 100% for me after several years of putting a teaspoon or two in foods like brown rice. I felt sort of sheepish when I realized that I had been manually overriding the valve on two of my Fisslers. I thought it was reducing the efficiency by staying open & venting steam so I would manually lift the pin valve to close it so the PC could build up pressure. Since making sure that my pc vents steam for awhile I have NEVER had a problem. Before I would more often than not have a sticky gooey mess all over the back of the stove even though I used a couple of teaspoons of oil. The valve would get clogged and then at some point, for saftey reasons, release the pressure by spewing out hot gooey rice stuff all over the back of the stove.

Some pressure cookers have a pin valve which automatically performs this function while others have a single valve which needs to be manually kept open after sealing a boiling PC. Some which don't have the extra valve may be able to perform this function by a user leaving the unit on a zero pressure setting for a couple of minutes before shifting it to a closed setting.

I have not had the problem in years & I often cook very foaming foods such as oats, rice, and beans with zero oil added.

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