and want to spice it up but not sure what to do with it

You could boil it and make soup, or, if theres loads left, take the meat off it and make fajitas or a curry or a pie with it.

Carve the meat off and make chicken curry? Cold chicken sandwiches? I love cold chicken with (hot) chips. Something about the contrast in textures.

Boil up the carcase with veg and make either chicken soup, or stock to freeze and use in the future?

Make a basic sauce of mushroom, onions, peppers and tomatoes, like you would for a bolognese add cold cooked chicken instead of mince, cook in the oven for 30-40 minutes to make it's all warmed through and serve with rice or pasta, Use the stripped down carcass to make stock or soup.

Grab some vegetable rice and make a stir fry.

Salt and chilli chicken with egg fried rice.

Chicken supreme?

Chicken pie. Cube up the chicken, add some chopped mushrooms. Add some plain white sauce. Use frozen flaky pastry, and bake in the oven. Yummie with a bit of mash potato and some peas