(TrendHunter.com) The Outback Steakhouse Boomerang Menu is being launched by the restaurant brand in celebration of its 35th anniversary to offer diners a series of throwback menu items to enjoy. The menu includes... (TrendHunter.com) The Outback Steakhouse Boomerang Menu is being launched by the restaurant brand in celebration of its 35th anniversary to offer diners a series of throwback menu items to enjoy. The menu includes...