Step 1

Preheat oven to 350 degrees. Spray a 9 by 9-inch baking dish with non-stick cooking spray (a 7 by 11-inch dish would work as well).

Step 2

Add oats to a medium mixing bowl the pour boiling water over oats, let rest until cool.

Step 3

Meanwhile in a large mixing bowl using an electric hand mixer (or use electric stand mixer), whip together butter, brown sugar and granulated sugar until pale and fluffy.

Step 4

Mix in eggs, vanilla, cinnamon and nutmeg then mix in cooled oat mixture.

Step 5

Sprinkle baking soda and salt across top then pour in flour and mix until combined.

Step 6

Pour into prepared baking dish, bake in preheated oven until just cooked through, about 30 minutes.

Step 7

Meanwhile in a medium mixing bowl stir together melted butter, milk, vanilla, brown sugar, coconut, and pecans.

Step 8

Remove cake from oven once cooked through and pour and spread mixture evenly over top.

Step 9

Preheat oven to broil then return cake to oven (in center) and broil until mixture is bubbly and coconut is just starting to toast on ends, about 1 - 2 minutes (don't walk away from it while broiling!).

Step 10

Let cool on a wire rack for at least 20 minutes then cut into slices and serve.

Step 11

Recipe source: inspired by Allrecipes