Pizza Express are running are promotion where if you book a table for the Christmas period (22/11 - 1/1/17) now you get a £10 voucher with no minimum spend threshold off your next meal with them plus when you go for your Christmas meal, you get any dessert free when you have a starter and main course over the combined value of £11.95. You can also use your tesco clubcard vouchers (Not nectar though) plus I'm sure between now and then Tesco will do another 20% off gift card promotion so you could get a seriously cheap meal!
Christmas menu has also been released and includes jaffa profiteroles, pannettone cheesecake and snowball dough balls
Need to book your table by 1st November to qualify for the £10 voucher (Voucher code valid for 6 months from date of issue)
Terms and Conditions https://www.pizzaexpress.com/christmasoffer