In a slow cooker, add the garlic, ginger, balsamic vinegar, honey, thyme, rosemary, and stir to combine.
Add the chicken to the slow cooker.
Cook on low for 6-8 hours.
Remove the chicken from the slow cooker.
Mix the cornstarch and water until it forms a paste. Stir into the sauce.
Return the chicken to the slow cooker.
Cook on high for 15 minutes or until the sauce has thickened.
Serve & Enjoy.