Dekko Laccha Shemai 180gm is a traditional Bangladeshi dessert made with rice flour, coconut, and jaggery. It is a type of vermicelli that is cooked in a cast iron pan on low heat for about an hour until it becomes thickened and sticky. Dekko Laccha Shemai is known for its unique taste and texture, and is a popular choice for special occasions such as weddings, religious festivals, and family gatherings.