Cointreau is on the hunt for the world’s best Margarita recipeīartenders worldwide are invited to submit their twist on the iconic Margarita cocktail, using locally sourced ingredients, by 31 January 2022.Ī panel of expert judges will then sift through the entries to select the top 10 lucky finalists who will compete for the title of Cointreau Margarita Challenge winner 2022. Returning for a second year, the Cointreau Margarita Challenge is on a quest to unearth the best Margarita cocktail in the world.