Select SEAR/SAUTE and set the time to 30 minutes. Press START.
Once preheated, add olive oil and unsalted butter to the Inner Pot. When the butter melts, add onion and cook until soften, for about 2-3 minutes. Add garlic salt and the spices, sauté for about 30 seconds.
Add the chicken thighs and combine well with the vegetables and spices.
Add the chopped tomatoes and chicken broth. Scrape up brown bits from the bottom of the pot.
Press CANCEL to turn off sauté.
Add in the chickpeas, raisins and vanilla bean and make sure the chicken is fully soaked.
Select SLOW COOK-Custom-High and set the time for 6 hours. Press START.
Close the Pressure Cooking Lid on the pot and set to VENT.