With the Amex platinum you get $15 a month credit to uber or uber eats. I believe the amex gold has the same thing.

Wait for specials and deals on uber eats
For a while, R&R has had $8 off a $30 order. That is active right now.
They also have a free banana pudding with orders of $30 or more.
Choose pick up
Add just enough to kick it over $30.
$8 + $15 + banana pudding + no tip for the driver = win & cheap(ish) food.

There is almost always some kind of promotion on restaurants nearby.