In bowl of mixer, beat the eggs, granulated sugar, salt, and lemon juice.
In a small bowl, sift together baking powder, and flour. Add the lemon mixture to the flour mixture and whisk to combine.
Spread over the hot crust.
Bake at 350 degrees for 20-25 minutes, or until lightly browned.
Allow the lemon bars to cool at room temperature for about an hour, then continue cooling in the refrigerator for 1-2 hours.
When the lemon bars are completely cool, lift them out of the pan.
Dust with powdered sugar for garnish if you wish, cut into squares or triangles and serve.