Preheat oven to 350 degrees F. Coat an 8" x 8" square baking pan with cooking spray.

Using an electric mixer, cream together the butter and brown sugar. Beat on medium speed 1 to 2 minutes or until light and fluffy.

Reduce speed to low and beat in the eggs and vanilla, scraping down the sides of the bowl. Add the salt, flour and pecans and beat until fully incorporated.

Spread batter evenly into bottom of prepared pan. Bake 35 minutes or until lightly golden on top. Cool and cut into squares.