7 Years Sour (Coconut, passion fruit, peach, mango, marshmallow, vanilla, cheesecake) Seven years, seven of our favourite adjuncts. Brewed to celebrate Vault City's 7th birthday, this decadent dessert sour layers creamy coconut, juicy passion fruit, peach, mango, marshmallow, vanilla, and rich cheesecake into something luxuriously thick, fruity, and smooth. Here’s to seven sweet sour years, and many more to come.