Food swamp
Food swamp
en.wikipedia.org
Food swamp - Wikipedia

A food swamp is an urban environment with an abundance of several non-nutritious food options such as corner stores or fast-food restaurants. The term was coined in 2009 by Donald Rose and his colleagues at the University of Michigan in a report on food access in New Orleans.
I actually think this might be a better term for a lot of the areas that people refer to as food deserts in the USA. It's not a lack of access to any food it's a lack of access to healthy food in a lot of cases.