Here are some English translations that convey the same meaning:
* With pickle (most direct translation)
* Pickle on the side
* Served with pickle
* Accompanied by pickle
* Pickle accompaniment
You can also use a more specific term for the type of pickle, like:
* With mango pickle
* Served with lime pickle
* Accompanied by green chili pickle
The best translation will depend on the context and how formal you want to be.