yep - I worked out that the size of container needed was about 5L so I bought a cheap brand plastic container and put a small pin hole near the centre circle thing in the lid and it's been going fine. I just take about 1/4 out at a time.

If you're wanting to bake it tomorrow I'd be putting it in the fridge now and then getting it out about 1/2 hr before baking while you pre-heat.

Oh and the first time I made it I used an upside down pizza tray and it turned out fine, a bit dampish but edible; turned out better when I bought a pizza stone to cook on though.

ETA - I put mine in the fridge about 2 hours after mixing