When making Gin at home (a compound recipe, which doesn't include the final distillation process and all that fancy kit), you'll need around 25g of Juniper berries for a 70cl bottle of Gin. That's about three handfuls.

How much juniper does a spirit need for gin?

So, to be a gin in its simplest form the spirit has to be at least 37.5% and it has to taste junipery.

Does gin contain juniper?

The flavours of a gin come from its botanicals (that's the herbs, seeds, flowers, plants or spices added during production), and, crucially, all gins must contain juniper; in fact, the predominant flavour must be of juniper, otherwise the drink can't be defined as gin, by law.