In a mixer bowl, combine the white sugar, brown sugar and copha. Beat until smooth and creamy. Add the eggs one at a time mixing well after each one. Beat mixture until well combined.
Mix in the milk, bicarb soda, baking powder, salt, cinnamon and vanilla to the egg mixture. Beat for one minute. Add the flour and mix until incorporated. Add the walnuts and mix again. Add the oats one cup at a time, mixing well after each addition. Stir in the dried cherries and mix just until they are distributed evenly.
Drop heaping tablespoonfuls of batter about 5cm apart on ungreased baking trays. Do not shape them, they will spread evenly during the baking process. Bake for 12 to 13 minutes. The tops of the biscuits should just turn a light golden brown. Remove the biscuits from the oven and let sit on the sheets for about 5 minutes before moving the biscuits to cooling racks. Let biscuits cool to room temperature than place in airtight containers for storage.