Crock Pot teriyaki chicken recipe with boneless chicken thighs, onion, pineapple, and teriyaki sauce.
Heat oil in a large skillet over medium high heat. Cook chicken in batches, 4 minutes on each side, to brown.
Place onion and pineapple in the bottom of a slow cooker.
Place browned chicken over onion and pineapple in Crockpot. Pour sauce over chicken.
Cook on high for 4 hours or on low 6 - 8 hours. Serve over cooked brown rice and sliced green onion.