- Preheat your oven to 190c 
- Mix flour, baking soda and salt and set aside.  
- Using an electric beater, beat butter and sugar until light and fluffy.  
- Turn the speed down to low and add the egg and vanilla and beat for 1 minute.   
- Fold in the flour, baking soda and salt with a spatula until just combined. 
- Stir in the oats, cranberries and white chocolate until evenly distributed.  
- Chill the dough for half an hour so that it's easier to work with. 
- Divide into 12 equal portions and place on a lined baking tray. Be sure to space them out.  
- Bake for 8 - 10 minutes until the tops are golden. 
- Allow the cookies to cool completely before digging in!