It's better with broth

One of the simplest ways to enhance the flavor of your poached chicken is by using various broths. Chicken broth is the most straightforward choice. Its subtle taste, enriched by the chicken's juices, along with salt, herbs like thyme and bay leaves, and vegetables such as celery, onion, and carrots (depending on the specific broth), can provide a richer flavor compared to poaching in plain water. You can also opt for vegetable or bone broths; ultimately, it comes down to your flavor preferences.
To effectively poach your chicken in broth, Serious Eats suggests starting with both the chicken and the broth at a cold or at least room temperature. Placing your chicken into hot or simmering broth can lead to tough and dry meat. Allow the chicken and broth to gradually heat up together, then simmer gently until the chicken is fully cooked. Using a thermometer is beneficial; aim for the chicken to reach around 155 degrees, with the broth at a similar temperature.
Add more stuff

If you find that your poached chicken lacks flavor and seems a bit dull, consider enhancing it with a generous amount of herbs, spices, vegetables, and even some heat. Foods that are simmered for a long time often lose some of their flavor, which is why they can be seen as diet options—typically not very tasty, satisfying, or enjoyable. However, by enriching the broth or water with a variety of ingredients, you can elevate your chicken dish.
When you add your chicken to the broth, include chopped garlic, onions or shallots, bay leaves, a sachet of herbs (thyme works particularly well), a halved and peeled carrot, a stalk of celery, and whole black peppercorns. A splash of white wine can also introduce a nice acidity. Depending on your recipe (for instance, if you're shredding the chicken for a chicken salad), you might want to incorporate additional ingredients like lemons, capers, chili peppers, and other bold flavors for an extra kick. Say goodbye to bland poached chicken!
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