As the title says, for a long time Uber Eats did not code as dining in AMEX’s spending categories, but AMEX has finally corrected that. If you often feel that the Uber Credit that comes with the AMEX Platinum is not enough, you can use AMEX Gold (4X MR) or AMEX Green (3X MR) to pay the remaining balance. The return is small, but don’t let it go to waste.
Also, you may want to add this recent Uber Eats offer to your AMEX Gold card.
https://www.uscreditcards101.com/uber-eats-review/