D23 has the deets (also noting that Blue Bayou won't be open initially):
https://d23.com/delicious-new-drink...bayou-flame-tree-barbecue-and-more-locations/
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Blue Bayou Restaurant in Disneyland Park
Next time you want to relax along the bayou for a delicious dinner while the
Pirates of the Caribbean boats float on by, you’ll be able to enjoy a whole new way to be refreshed. The Blue Bayou Restaurant will soon be offering new drinks to complement the menu and theme of the restaurant, with beverages such as wine, beer, and a specialty Hurricane Cocktail—a New Orleans staple! Or, you may want to try the new celebration sparkling wine package. Soon, you’ll be able to pair them with the restaurant’s delicious menu items, like the popular Surf and Turf. Also, keep an eye out for new, seasonal takes on the Mint Julep non-alcoholic beverage.
If you’re already planning your next meal at the Blue Bayou, prepare to temporarily weigh anchor—the restaurant will open after the theme parks reopen, and D23 will be sure to report on that opening date as soon as we know it! The enhanced offerings fit right in with the story and spirit of the Blue Bayou and reflect what many guests have requested.