The Real Shiurim – They’re Smaller Than You Think

 https://www.jewishpress.com/judaism/jewish-columns/the-real-shiurim-theyre-smaller-than-you-think/2018/03/22/

Today, many charts outline exactly how much matzah, maror, and wine must be eaten at he Seder. These shiurim, however, are significantly larger than what longstanding minhag requires.

Rav Shurkin told me that a group of Bachorim had their seder with the Steipler. He gave them matzoh which they hid and asked for more. In other words they disagreed with his view of the amount of matza needed