Đậu xào tương ngọt ( Green Bean and Crisp-Fried Tofu in Hoisin Sauce )

12 oz pre-washed green beans, cut in half1 block medium firm tofu, cubed3 shallots, chopped1 clove garlic, chopped1 T hoisin sauce1 T soy sauce,1/2 T brown sugar, salt, peppervegetable oilDeep fry tofu cubes until golden crisp, set aside. In a large pan, heat 1 T oil and add shallot and garlic, cook until fragant. Add green beans, soy sauce, salt, sugar to taste, stir to cook for a minute then