Cream together the butter and sugar. Stir in the eggs and oatmeal. Sift together flour, baking soda, baking powder, salt and cinnamon (and any other extras eg. nuts). Add to creamed mixture and mix well.
Pour into greased and floured 6cm x 26cm cake tinTop with either cream cheese icing, caramel icing or a caramel glaze with chopped nuts and coconut.. Bake for 35 minutes or until it tests done.
Extra: Top with either cream cheese icing, or a caramel glaze with chopped nuts and coconut, if desired.