Take a throw away tin, whatever size needed for the party or a round glass bowl that is oven safe. You can multiply the amount of ingredients you need for how many people you are looking to serve.
Take the room temperature cream cheese and spread it out. Spread the chili out over the cream cheese, and finally the package of shredded cheese. Either microwave for 5-8 minutes on high with a paper towel or stick into a 350 degree oven for 15 minutes, or until the cheese bubbles