Pesahim 37 – Varieties of Baking Methods
A. Thick Matza
One tefah like face bread (asur)
Large batch of bread
B. Shaped Matza (asur)
C. Taking Halah from Pan-fried bread
Resh Lakish – exempt
R. Yohanan – required
Challenge to Resh Lakish
Challenge to Resh Lakish from half-baked matza
Minimum amount of baking to be bread
Story of Rabbah -> R. Zeira -> Ulah