When Liz Truss and Kwasi Kwarteng unleashed their now notorious mini-budget on the UK, an unexpected consequence was the disruption of a popular burrito bar’s sale. Boojum, the Irish-owned Mexican restaurant chain famed for its magnificently large portions of steaming rice and beans, was acquired by private equity firm Renatus in 2015 as part of a €3 million deal and has been on the hunt for a buyer for a while. But the uncertainty created by Truss’s September 2022 mini-budget, which led to her own undoing, also slowed the sale process for Boojum. What got it across the line, in…