Fudgy Nutella Brownies Recipe - Six Sisters' Stuff

Ingredients

• 1 cup butter ((2 sticks))
• 2 cups sugar
• 2 teaspoons vanilla extract
• 4 eggs
• 1 cup all-purpose flour
• ¾ cup unsweetened cocoa powder
• ½ teaspoon salt
• ½ teaspoon baking powder
• 1 cup nutella