Preheat oven to 350 degrees.
In a bowl, mix melted butter and cocoa thoroughly.
Add coconut oil, egg and vanilla, then mix until smooth.
Mix sugar, flour and salt together, then slowly add to wet ingredients in small batches while mixing.
In a greased bread pan, pour batter and spread evenly by pressing down and flattening with fingers.
Bake for approximately 20-25 minutes, or until top is a bit bubbly.
You can flatten the brownie a bit by pressing down gently with the back of a spoon all over. This way, the brownie doesn't crumble too much while eating.
Let cool completely, then flip brownie over onto a tray so that the bottom is the top. Spread Nutella topping all over brownie.
Spread Nutella topping all over top of Brownie. Refrigerate for 30 minutes, then cut and serve.
Notes: Brownies are fine if they are undercooked, so be sure to take them out of the oven no later than the allotted time.
Brownies do not need baking powder, so don't worry about that missing ingredient!
These brownies are not too sweet, as the Nutella adds so much sugar to these brownies.