Tom Kerridge's Easy Lemon Chicken Traybake

Spring is a great time to use light ingredients. Tom Kerridge has a lemon pepper chicken traybake that is perfect for serving to family and friends.
People like Tom's recipe. He says it is easy and gets its flavor from a honey and mustard marinade.
The dish serves four people and cooks in under an hour. It is also safe for people with certain dietary needs and is made in one pan.
Here are the ingredients.
First, make the marinade.
The dish is called lemon pepper chicken.
Now, follow the method.
Mix the marinade ingredients together. Then, put them on the chicken and let it sit for a while.
Put some marinade on the chicken, then add the rest. Cover it and put it in the fridge for a bit.
Preheat the oven to 200C.
Put rosemary, lemon, and potatoes in a tray. Then, add the chicken and some more marinade.
Cook the dish in the oven for 30-35 minutes. The chicken is done when the juices are clear.
Take the tray out of the oven and cover it. Let the chicken rest, then serve with parsley.