Combine the condensed milk and icing sugar in a large mixing bowl and mix well. Add the desiccated coconut and mix again until thoroughly combined. Weigh the mixture and divide in half.
In a bowl, mix oats, coconut, salt ... tablespoons boiling water and add in at the condensed milk stage o To turn it into an Oat crumble caramel slice, make more of the base mixture and sprinkle ...