Need a little advice the Prestige Aluminium Pressure Cooker says in the booklet that it cooks at 7lb per square inch is this any good, does that mean the cooker cooks at 7 psi, i ask because the "norm" is 15 psi.
Please help.
Hi UF
15psi is better but it just means cooking at 7psi will take a little longer.
Good tech advice here -
At normal atmospheric pressure, water boils at 100 degrees C (212 degrees F). If your pressure cooker raises the pressure by 7 PSI (pounds per square inch), the temperature goes up to 112 degrees C. An increase of 15 PSI gives you 120 degrees, and a 37 PSI increase in pressure gives you 140 degrees C. The higher the pressure, the faster your food will cook. There's no practical way to measure the pressure in your cooker, so, be warned: the timing in pressure cooker recipes may need to be modified based on the characteristics of your cooker. After a few tries, you should be able to get a feel for whether your cooker is faster or slower than typical.
cheers Chewy