Preheat the oven to 180 degrees Celsius.
In a food processor, add the oatmeal, flour, salt and baking powder.
Pour the olive oil slowly into the processor until the mixture resembles
breadcrumbs. add enough cold water until it forms a dough.
Roll the mixture out and cut into rounds.
Bake in the oven on a lined baking tray for 20 - 25 minutes.
Note: Oatcakes are traditionally served with Scottish cheddar but are also nice with honey. They have a lower GI than most savoury biscuits.