Made with kitchen staples, this grilled lemon pepper chicken recipe is perfect for a cookout. Marinaded in a combination of freshly squeezed lemon juice, lemon zest, Dijon mustard, oil, garlic powder, salt, and pepper, this lemon pepper chicken is so juicy and full of bright, tangy flavor. This grilled lemon pepper chicken breasts recipe is going to be your new favorite dish. It only takes a few minutes to make the marinade and it grills up in less than 20 minutes!