The chicken breasts are fully cooked when they come out of the water bath, so browning is optional.
For the best browning, pat the chicken dry with a paper towel when it comes out of the water bath.
When browning the chicken breasts, make sure you only do so for 30 seconds per side. You don’t want them to overcook and dry out.
Don’t throw out the bag juices! Serve it over the chicken with some fresh lemon juice.
If your chicken breasts are large, they may take closer to 3 hours to cook.
Save yourself some time and season your fresh chicken breasts before sealing them in bags and freezing them. Then, you can just drop the bag in your water bath when you're ready to cook them.