Stir together flour, granulated sugar, and salt in a bowl. Add butter
, eggs, orange extract
, and orange zest. Using a handheld electric mixer, beat until well blended. Pour batter
into prepared pan and bake for 30 minutes, or until light golden brown and set. Remove from oven, allow to cool and pierce entire cake
with a fork. Spread the Orange Cream Cheese Frosting over completely cooled brownies. Cut into squares.