Place chicken breasts or thighs in a pot or skillet
Add enough water or broth to cover the chicken
Season with salt, pepper, garlic, onion, or herbs if desired
Bring to a boil, then reduce to a simmer
Cover and cook until the chicken reaches 165°F
Remove the chicken from the liquid
Let it rest for a few minutes
Shred the chicken with two forks or a mixer
Use immediately or store for later use