Pre-heat oven to 350F/180C. Grease and flour, spray or line an 8 inch square pan with parchment paper.
In a medium bowl whisk together the flour, baking powder and salt.
Melt the butter in a medium pot then stir in the brown sugar until smooth. Beat in the vanilla and egg. Stir in the dry ingredients just to combine, stir in the pecans, do not over mix.
Spread the batter in the pan. Bake for approximately 30 minutes do not over bake. Cool in the pan on a wire rack. Dust with powdered sugar if desired, cut into squares and serve. Enjoy!
Notes
How to store the Pecan Blondies?
Keep them in an airtight container at room temperature for up to 4 days. They also freeze well. Cool completely, wrap the individual slices, and freeze for up to 2 months. Thaw at room temperature before serving.