Finding good mexican food in Berlin is near impossible. My husband and I were pleasantly surprised to find a decent mexican a few years ago that happened to be around the corner from the new apartment we had just moved into. They served black bean quesedillas, soft corn tacos filled with slow cooked juicy meat and delicious mains of grilled meats with spicy green or red rice. Although one of the main reasons we went there was for the margaritas! I find that a lot of the so-called cocktail bars fill the glasses…