1. Preheat oven to 350F.
2. In a bowl, cream together the melted butter and sugars.
3. Then mix in the eggs, vanilla, and oil.
4. Add in flour, espresso powder, and cocoa powder.
5. Mix until well combined.
6. Feel free to add in chopped dark chocolate.
7. Spread half the brownie mixture in a lined/greased 8x8 inch pan.
8. Layer with Nutella between the batter.
9. Layer the rest of the brownie batter on top.
10. Bake for 35-40 minutes.
11. Enjoy!
