Took 2 hours 10 minutes to prep
Needed extra cooking ie more than 70 minutes in the first stint, and cooked unevenly.
Needed more sauce or add water to increase thin out sauce.
Use food processor to grate parmesan and mozzarella.
Go through pasta shells and pick out the more open ones to stuff.
Try to keep pasta shells upright when it goes in oven.
Needed a bigger pan.