In case you haven’t noticed, fans of the In-N-Out burger chain tend to be, well, a little passionate.

Gordan Ramsay once said he “sat in [an In-N-Out] restaurant, had my double cheeseburger, then minutes later … drove back round and got the same thing again to take away.” French Laundry chef Thomas Keller once served In-N-Out at one of the Napa restaurant’s anniversary parties.

Cookbook author Julia Child sent her assistant out for In-N-Out while she herself was in hospital. Tom Hanks had the burgers delivered to cast and crew on the set of The Green Mile. Anthony Bourdain has called In-N-Out “the best restaurant in Los Angeles” and has claimed that when he posts a picture of “an anonymous [In-N-Out] burger on Instagram “I’ll get something like 50,000 likes in nine minutes.”

The passion of Australian fans is similarly unbound. Indeed, when an In-N-Out pop-up appeared in Sydney back in January, everything sold out before the thing had even opened.

That passion is about to be unleased again with the announcement that In-N-Out is soon to be available at the Sir John Young Hotel in Sydney’s CBD.

Well, sort of, anyway.

Burger event group (yes, such a thing exists) Hashtag Burgers will next week launch Down-N-Out, an month-long homage to the California-based chain—which famously refuses to franchise its operations, go public, use frozen food or pay its staff anything less than a fair wage—as part of the Sir John Young’s renovations.

This follows Down-N-Out’s first, wildly popular incarnation—which itself followed the success of the In-N-Out pop-up—which ran for one day and saw 500 burgers sold in two hours.

Former Mr Crackles chef Sebastien Cens will be churning out takes on In-N-Out’s popular “animal” and “protein” styles—the former a mustard-braised patty with caramelised onion and extra sauce and the latter a low-carb option with lettuce where the bun should be—as well as a vegetarian option. Hashtag is partnering with Murray’s Craft Brewing Co. for the pop-up.

The group is quick to point out that it is not affiliated with In-N-Out in any way. Rather, according to the group’s Facebook page, “we are just a bunch of cheeky b#stards”.

The Down-N-Out burger pop-up launches at Sir John Young Hotel on June 8.

For the delicious. edit of Australia’s best burgers see here.

We’ve cracked the Big Mac (including its secret sauce). Find the recipe here.