Doesn't state any minimum spend so assuming there isn't any (PS. I've never used Uber Eats).
$3 Cashback at Cashrewards
Code may not work if you already have an Uber Rider account.
Special terms -
Cashback is eligible for new Uber Eats customers only.
Your first order must be made on the desktop site to receive Cashback.
Cashback will be paid only once per Cashrewards account.
Cashback displayed is in USD. It will be converted to AUD in your rewards.
Notification: 1 to 7 Days
Estimated approval: Up to 90 Days
Went thru Cashrewards and got a message saying a promotion had been applied so couldn't get the $10 off. hmm.