Preheat oven to 350℉ and grease bottom and sides of a 9 1/2 X 12 inch (or there abouts) rectangle pan with the 1-2 tsp of butter.
In a large sized mixing bowl mix together dry ingredients (flour, baking soda, cinnamon, ginger, salt and oatmeal).
In a stand mixer cream together butter and sugar until well blended. Add in egg yolks and egg. Beat until light and fluffly.
Working with 1/4 of each, mix in molasses, water and dry ingredients to egg and butter mixture. Scrap down sides of mixing bowl and repeat 3 more times untill all of molasses, water and dry ingredients have been incorporated.
Pour batter into greased pan and bake for 45 mins or until tester inserted into the center of cake comes out clean.
Let cool and serve with freshly whipped cream and sprinkle with cinnamon.
*Please use as many organic ingredients as possible. Recipe Notes
To make whipped cream place 1 pint heavy whipping cream into a cold mixing bowl. Add 1 tbsp pure vanilla extract and 1 tbsp granulated sugar to whipping cream. Using a hand mixer (a stand mixer may also be used) whip until stiff peaks form, about 3-4 mins.