Certainly you can have it in a metropolis downtown, or within reach of a well-off suburban neighborhood. (Not very cheaply though.)

But https://en.wikipedia.org/wiki/Food_desert is a thing, especially in poorer, less densely populated areas. The problem is not just the absence of nicer options to normally nutritional food like rice or beans; it's also the prevalence of high-carb foods with very intense taste that pander to cravings and actively form them, while providing a wrong caloric balance (plentiful but very fast carbohydrates).