Love Food Hate Waste joined forces with award-winning pop-up restaurant Hang Fire Smokehouse to show the people of Cardiff how to use their leftover beef, as its new campaign reveals that every year people in the UK throw away 34,000 tonnes of beef – the equivalent to 300 million beef burgers. On 14 March, Samantha Evans and Shauna Guinn, the duo behind Hang Fire Smokehouse, joined Love Food Hate Waste for a pop-up demonstration on Cardiff’s busy Queen Street, giving…