[Pizza Hut] PIZZA HUT - $10 For any size (S/M/L) 1 topping - FACEBOOK DEAL - Order Online
Here is the link
Coupon code: 810
I'm not sure this has been on here but I looked a few weeks ago and didn't see it.
Pretty good deal if you get a large which is normally $16.49 + tax for 1 topping.
You have to order online I believe.
EDIT: Just checked and this seems to be all over Canada not just Ontario (Updated title)