Season four chicken breasts with some salt and pepper and place onto a baking pan or dish. Brush both sides of each chicken breast with melted butter (or olive oil).
In a small bowl, mix together the ingredients for the lemon marinade: chicken broth, lemon juice, and a few seasonings.
Spoon half of the mixture onto the chicken and then bake for about 15 minutes.
Remove the chicken from the oven and spoon the rest of the marinade over the chicken.
Return to the oven and bake until chicken is cooked through and the internal temperature reaches 165°F.