1. Place chopped chicken in bottom of 4-quart slow cooker.
2. Whisk together soy sauce, sugar, vinegar, garlic and ginger. Pour over chicken.
3. Cover and cook on low 4-5 hours.
4. Remove chicken. While slow cooker is still warm (or left on the warm setting if your has one), mix cornstarch with warm water until smooth.
Slowly add into sauce in the slow cooker to thicken, mixing as you add.
5. Return chicken to slow cooker and stir to coat in sauce.
Serve with rice and your favorite veggies!
