Step 1

Preheat oven to 350º F and lightly grease an 8x8-inch baking dish with butter or non-stick spray.

Step 2

Place oats in a heatproof bowl and pour boiling water over them. Set aside to let soak for 20 minutes.

Step 3

In a medium bowl, whisk together flour, baking soda, salt, cinnamon and nutmeg and set aside.

Step 4

In a large bowl or mixer, cream together butter and sugar for 2-3 minutes, or until fluffy and lightened in color, then beat in eggs and vanilla extract.

Step 5

Fold soaked oats into egg mixture, then mix in dry ingredients until incorporated and smooth.

Step 6

Pour batter into greased baking dish and bake for 40-50 minutes, or until toothpick inserted in center comes out clean.

Step 7

While cake bakes, mix melted butter, brown sugar, cream and shredded coconut together.

Step 8

Remove cake from oven and pour topping evenly over the top, then return cake to oven and broil for 2-4 minutes, or until bubbly and golden.

Step 9

Remove from oven and let cool at least 10-15 minutes before serving.