Outback Steakhouse: FREE Bloomin’ Onion Today! (2/4) This post may contain affiliate links. View my disclosure policy for details. Today only you can grab a FREE Bloomin’ Onion from Outback Steakhouse when you say “Super Bloom” to your server! This deal is good with a purchase only, so if you’re not planning on a full meal just get a drink and keep it cheap. Enjoy!