Read more: 25 Chocolate Brands, Ranked Worst To Best ... log of cookie dough in plastic wrap -- so it doesn't pick up on aromas from other things in the freezer, or get freezer burn -- cut it ...
The 3 hours resting time allow the gluten network to relax. This way shaping a pizza becomes easier. If your dough is very elastic and doesn't like being stretched you need to increase this duration.