Zest lemon until you have 10 mL of lemon zest
Line 8x8" pan with parchment paper.
In a medium mixing bowl combine flour, salt, cornmeal and icing sugar and cut in butter the texture of coarse meal (dough wall be crumbly).
Coarse crumbly texture
Press dough into pan and bake for 18-20 minutes, until it just begins to colour around the edges. Allow to cool.
Add the rest of the ingredients into a large mixing bowl and whisk together.
Let it cool
Poor mixture over crust
Viola! Allow to cool at room temperature for 20 minutes and chill for 2 hours. Enjoy your lemon squares