My friend gave me Pia cap Mangkok from Malang. As I know, Pia is a traditional food from Yogyakarta. However, now Malang also can provide this traditional food. Taste is similar with Pia from Yogyakarta. I love its crunchy skin and green bean taste.
They have a website. However, their website is not very well developed. Check it out: www.piamangkok.com