The crew at Firestone Walker took inspiration from the classic sidecar cocktail — if you think a mustachioed mixologist takes their time while crafting a classy libation, just wait until you hear about all the work that went into this beauty.

The brewers aged their tangy Sour Ale base in a combination of French cognac and orange bitters barrels for a whopping TWO YEARS! Then, they finished it off with a squeeze of fresh lemon juice, just like at a fancy bar.