Crockpot Cashew Chicken

2 lbs. boneless, skinless chicken tenders
1/4 c. flour
1/2 t. pepper
1 T. oil
1/4 c. soy sauce
2 T. rice wine vinegar
2 T. ketchup
1 T. brown sugar
1 garlic clove, minced
1/2 t. grated ginger
1/4 t. red pepper flakes
1/2 c. cashews

Combine flour and pepper in large ziploc bag. Add chicken and shake to coat. Heat oil in skillet over medium heat. Brown chicken on both sides. Place chicken in lined or sprayed crockpot. Combine all other ingredients, except for cashews. Pour over chicken. Cover. Cook on low for 3-4 hours. Add cashews during last 30 minutes and stir. Serve over rice. Yum!