WP Theme for restuarant or caterer?

I had this article bookmarked its 55 top wp themes for restaurants, food and catering etc. 55+ Best Responsive Restaurant WordPress Themes | Designrazzi

High quality themes:

restaurant | ThemeForest

WordPress Themes | WordPress Templates

Hope this helps

I would go the custom route, because if your customer finds out
your using a template your going to run into some issues.

Think branding...not something that everyone else has.

WILL-

If I would have a restaurant then I would have used "Chow WordPress Restaurant Theme" or "Dine & Drink Restaurant WordPress Theme". These themes comes with an exceptionally, present day and expert plan that was made in view of restaurants and incorporates custom features like menu, item pages, particular for the corner. These themes are easy to navigate.

can I help you in this?

Pick a good looking theme then use a plugin to get your desired results.
Avada + woocommerce should do the trick just fine, or any other premium theme with woocommerce support.

I was just using ironbull for a client and we ended up getting rid of it...it had a decent amount of js errors and if you want ecommerce with it why spend 55 bucks on one that isn't already set up to use woocommerce when there are plenty that are for the same price.
Not saying its a bad theme just doesn't work for more then simple set ups...unless you want to spend the time customizing the themes files and css to get woocommerce working.
You don't need to go custom unless your trying to sell this as a package to people to build their, if you find a good enough theme you can make it look however you want, or can hire out a freelancer like me who can do it for cheaper then someone making you a custom theme, that can cost a bit.
Make sure whatever you buy is responsive, don't waste money on a theme that isn't now-a-days
Good luck, do your research, or hire a freelancer to handle everything

Here is a whole group of possible themes

WordPress Restaurant Themes | Cafe WordPress Themes