Please Help Me Correct The Grammar And Content Of The Following Paragraph

Hello everyone! Please help me correct the grammar and content of the following paragraph. This paragraph introduces about traditional food in your country. Thank you.

Sticky square cake is an important traditional cake in the Lunar New Year of Vietnam. It is a simple dish made with glutinous rice, green bean, pork and many spice. Sticky square cakes taste so good because they often solf, fat, slightly sweet and fragarant glutionus rice. My mom often severed them with pickles. The salty, sour and spicy of the pickles create an unforgettable taste. Sticky square cakes are very special for Vietnamese people, because they are only served in the Tet holidays. They remind people of the merits of ancestors, and they also express our filial, gratitude to our grandparents and parents. In addition, Sticky square cakes make me remember my childhood when I live with my grandmother in hometown, they help me connect to my past and to my family. In summary, Sticky square cakes really mean a lot to any Vietnamese people and they has become an indispensable part in the Lunar New Year of Vietnam.