Condiments – like ketchup, mustard, or hot chilli – are all available to spice things up, as are salt and pepper, albeit in liquid form so the granules don't drift away and cause havoc with station operations.
You end up with a rather peculiar eating pattern that people look at you funny because you're putting chilies on your breakfast cereal and you've put a mustard sauce on pretty much a lot of the food you eat.