Add liquid smoke to water and rub over Boston Butt allowing excess to drip into cooking pot. Rub pork with the salt and place in pressure cooker or crock pot for cooking. Cover and cook for 3 - 4 hours in a pressure cooker or 6 - 8 hours in a crock pot until tender, meat will fall apart. Serve with your favorite side, corn and potatoes are nice, enjoy.
Recipe by KITCHEN HUI at https://kitchenhui.com/maui-style-kalua-pork/