01 - 
                Cream butter and sugar in a large mixing bowl till creamy. Beat in the lemon zest, lemon juice, and eggs.
              
              
              
                02 - 
                Stir in flour and salt till well combined.
              
              
              
                03 - 
                Spread the batter evenly into a 9x13" pan that has been sprayed with non-stick spray.
              
              
              
                04 - 
                Bake at 350° for 30-35 minutes or till edges are starting to lightly brown and middle is set.
              
              
              
                05 - 
                For glaze, whisk together all ingredients, adding enough lemon juice to make a pourable consistency. Spread evenly over hot bars.
              
              
              
                06 - 
                Cool completely and cut into squares.