Place all ingredients in pressure cooker. Bring to pressure over high heat. When the pot begins to sizzle reduce heat and cook pressurized for 20 minutes.
Remove from heat and allow to sit until depressurized.
Open carefully, stir well and add seasonings to taste. If you'd like a thinner soup, stir in a cup or two of water until it suits you. Serve with minced chives,
Recipe by Jellibean Journals at https://jellibeanjournals.com/pressure-cooker-split-pea-soup/