pressure cooker: Turn cooker to saute (or medium high heat) and heat olive oil. slow cooker: In a medium skillet heat the olive oil over medium high heat.
Brown the turkey breast skin side down for approximately 5-7 minutes. You want it to have a nice deep brown color.
Flip the turkey over (place in slow cooker if using). Pour the liquid smoke over the turkey breast.
pressure cooker: Cook at high pressure for 20 minutes and do a quick release of the pressure. Check that the internal temperature of the turkey has reached 165℉. If it has not, return to pressure and cook another 5 minutes. slow cooker: Insert temperature probe (if your cooker has one) and cook to 165℉ . Cook on low for 6-7 hours or on high for 3-4 hours (time will vary based on the size of the turkey breast and the cooker.