Make recommendation on or about?

[Jit833]

1) Can you please make a recommendation on/about what to order?
2) One of server's duty is to make food recommendation to customer.

 

[Barb_D]

1) Can you please make a recommendation on/about what to order? I would say "about."
2) One of server's duty is to make food recommendation to customer. One of a server's duties is to make food recommendations to customers.

Or simply: What do you recommend?

 

[Jit833]

Thanks for pointing out the mistake I've made and correcting them for me.

 

[emsr2d2]

Thanks for pointing out the mistakes I've made and correcting them for me.

See plural addition above. Failing that, you should have used "mistake" and "correcting it".