Slow Cooker Cashew Chicken

For the chicken:

lbs boneless (skinless chicken thigh)

all purpose flour

black pepper

canola oil

For the sauce: (this should be doubled if you want plenty to pour over rice)

soy sauce

rice wine vinegar

ketchup

brown sugar

garlic clove (minced)

grated fresh ginger (see Note)

red pepper flakes

cashews