Step 1

Preheat oven to 425 degrees F.

Step 2

Place chicken breasts into 9×13-inch greased baking dish. ​Sprinkle with salt and pepper; set aside for 30 minutes.

Step 3

Add syrup, balsamic vinegar. ​Spread mustard over chicken. Make sure each breast is coated well. ​Add fresh rosemary

Step 4

Bake uncovered for about 30-40 minutes, or until a meat thermometer reads 165 degrees F.

Step 5

For a more caramelized crust, leave chicken in longer or place under the broiler for a minute or two.