In a small bowl combine flour and salt and set aside.
3.
Using an electric mixer blend butter until light and fluffy. Mix in sugar, eggs, vanilla and mix well followed by Nutella and stir until mixture is creamy.
4.
Stir in flour mixture. Pour into a greased 8-inch square brownie pan and bake for 30-37 minutes. Dust with powdered sugar. Cool pan on wire rack.
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