Step 1

In a small bowl, whisk together balsamic vinegar, chicken broth, brown sugar and garlic; set aside.

Step 2

Season chicken breasts with basil, oregano, thyme, rosemary, red pepper flakes, salt and pepper, to taste.

Step 3

Place chicken breasts into a 6-qt slow cooker. Stir in balsamic vinegar mixture. Cover and cook on low heat for 7-8 hours or high for 3-4 hours, reaching an internal temperature of 165 degrees F.

Step 4

Serve immediately, garnished with parsley, if desired.