A SoulFood kitchen is a particular kind of kitchen, like a theme, but it is much more because it has intention behind it whereas a theme is like a setting, a prop.

2008-07-11: the kitchen is a space created by the game played in it

11-7-2009: The kitchen is mobile and exist in a quantum sense wherein it can exist in more than one place simultaneously and is connected by attention from a cook (aka Executive Chef). The Executive Chef staffs the kitchen with other specialty chefs. This is the creative space in a context where such services are needed - the client space is the restaurant.

From Wikipedia:
A restaurant prepares and serves food and drink to customers. Meals are generally served and eaten on premises, but many restaurants also offer take-out and food delivery services. Restaurants vary greatly in appearance and offerings, including a wide variety of cuisines and service models.
A restaurant owner is called a restaurateur; both words derive from the French verb restaurer, meaning "to restore". Professional artisans of cooking are called chefs, while prep staff and line cooks prepare food items in a more systematic and less artistic fashion.