01 -
Set your oven to 350°F. Spray a 9x13 pan with nonstick spray.
02 -
Mix the oats with the hot milk in a medium container. Let them sit while you prep other ingredients.
03 -
In another medium container, stir together the salt, baking soda, cinnamon, and flour.
04 -
Use a mixer to combine the butter, granulated sugar, and brown sugar in a big bowl. Beat in eggs and vanilla.
05 -
Add a bit of the dry mix into the butter mix, stir, then toss in the oats and their soaking milk. Keep adding the rest of the dry mix, stirring between each step.
06 -
Pour the batter in your greased pan and bake for 35 to 40 minutes, until it's firm.
07 -
In a pot, heat the butter, brown sugar, and milk until it boils. Stir constantly until the sugar dissolves. Remove from heat and blend in pecans and coconut.
08 -
Evenly spread the warm topping across the cooled cake.
09 -
If you'd like, dust the top with white sugar and use a torch or broiler to slightly caramelize. This takes 1 or 2 minutes.
10 -
Let the cake settle for 10 minutes, then cut and serve.