Preheat the oven to 190 degrees C. Grease baking trays.
In a large bowl, cream together the margarine, brown sugar and white sugar. Beat in the egg and vanilla. Combine the flour, bicarb soda, salt, cinnamon, nutmeg and cloves; stir into the creamed mixture until well blended. Stir in the oats, bananas, raisins and coconut, one at a time using a wooden spoon. Drop by rounded spoonfuls 5cm apart onto the prepared baking tray.
Bake for 11 to 13 minutes in the preheated oven. Allow biscuits to cool on baking tray for 1 minute before removing to a wire rack to cool completely.