Add more hot water if necessary. Discard foam that collects on top. A tablespoon of oil will decrease foaming. The times listed are for soaked beans only, unless noted. The ratio indicates the amount of soaked beans to water.
Times indicate the duration of cooking at high pressure.
Quick cool down can cause beans to burst. See more pressure cooking hints. Place in a covered dish. Stir in salty or acidic ingredients at the end. Pressure cooking time stays the same.