Lumpia is not anymore a lumpia but is an alternative way of eating the fresh lumpia's traditional fillings. Believed to originate from Shanghai, in truth no recipe of this exists in the Chinese city. These meat-laden, fried type "lumpia" are filled with ground pork or beef, minced onion, carrots, and spices with the mixture held together by beaten egg. They may sometimes contain green peas, cilantro (Chinese parsley or coriander) or raisins. "Lumpiang Shanghai" is commonly served with sweet and sour sauce owing to the influence of Chinese cuisine, but catsup (tomato or banana) and vinegar are popular alternatives. This variety
U Should've Known Better producers, which included Dallas Austin, production team Soulshock & Karlin, Bryan Michael Cox, and Rodney Jerkins and his Darkchild crew. Though she "had never thought about writing much" by then, her producers encouraged the singer to intensify her work on the "All Eyez on Me" album and to write and contribute own lyrics and ideas to the songs, one of which was the ballad "U Should've Known Better." Monica penned the song along with Harold Lilly and longtime contributor Jermaine Dupri, while production on the track was helmed by Dupri and Bryan Michael Cox. "U Should've Known Better" was mixed