Dissatifaction on food service

Ever since I became pregnant, all I want is Nando's Hotpot or Quarter leg with lots of sauce but Nando's Greenstone staff is always fighting with me and refusing to give me more sauce. They keep telling me that I can only get one s**** of extra sauce but I WANT MORE! The shift supervisor this time told me that the people in the kitchen pay for the sauce, I told him I don't want anyone taking the brant for me, I am willing to pay extra for myself if I have to but they refuse. I am not asking them to put it in an extra container or anything, just add more sause to my food and I will pay. How is that not possible? In 2019 during my pregnancy in Pretoria, Nando's Lynwood gave me my sauce every time until I gave birth, what is special about Nando's Greenstone? I AM WILLING TO PAY IF I HAVE TO.