Just like cooking a tasty meal of food, you will need a good recipe to make your lager. The recipe will help you create a style of lager and will give it a characteristic taste, and by altering the recipe, something new can be created. Generally though, all beers will have to contain at least some water, barley malt, hops and yeast. But these days all kinds of silly stuff is being put into lager, including chocolate, herbs and plants.
Barley contains starch and has a sugar content;