These Gooey Nutella Brownies are 100% delicious. They are rich, thick, and fudgy with a wonderful chocolaty hazelnut flavor. Better than any boxed brownie!
01 Line a 9 x 9-inch baking pan with parchment paper. 02 Preheat the oven to 350 degrees F. 03 Brown butter in a small saucepan.
04 In a large bowl, mix the butter, brown and white sugar, eggs, egg yolk, hazelnut liquor, and Nutella until combined. 05 Add the flour and salt and stir until just combined.
06 Pour the batter into the prepared baking dish. Top with the chopped hazelnuts. Bake at 350 degrees Fahrenheit for 25-30 minutes