Pour hot water over the oatmeal and butter. Let stand until butter melts.
Then add: eggs, sugar, vanilla, salt, brown sugar, baking soda, flour and cinnamon.
Mix all together well.
Bake at 350°F. in a greased 9”x13” pan, 35-45 minutes or till toothpick comes out clean.
Try not to over-bake the cake.
Cover with topping.
To make topping:
Heat butter, brown sugar and canned milk or cream together until bubbly and sugar is dissolved. Add coconut and/or nuts and vanilla extract. Spread on hot cake top.
Broil for a few minutes until golden and bubbly all over.