Pre heat your oven to 190°
Place the self raising flour and the beer in a large bowl.
Fill the beer bottle a quarter of the way up with water and add to the dough.
Use your hands to bring it together into a soft ball.
Turn out onto a floured bench, divide into two, and roll out to your desired shape.
Mine are often ovals to fit onto the long oven trays.
Prick each base with a fork.
Top with toppings of your choice.
Cook for 25 minutes