£15/75clTop left: Aldi Veuve Monsigny champagne brut | Right: M&S 10 mini scallop en crôutes with champagne SauceCanapésWinner: M&S 10 Mini Scallop En Crôutes with Champagne Sauce. £3.50/1.29kgAsda smoked gammon with whisky and ginger glazeBest gluten-free Christmas cakeWinner: M&S Hand Decorated Gluten-Free Snowflake Cascade Christmas Cake. £29.99/6.5-7.5kgLidl deluxe serrano ham legBest Christmas puddingWinner: M&S 8 Month-Matured Vintage Christmas Pudding. £8/470gCo-op prosecco and raspberry meringue stackA show-off dessert for Christmas DayWinner: Morrisons The Best Chocolate Christmas Tree. £12/540gMorrisons The Best chocolate Christmas treeHow we chose the winnersThe olive team chose 20 categories of products you might want to buy to make Christmas entertaining hassle-free.