To make the pastry base
Using a pastry cutter or in a food processor blend together the butter sugar and flour.
Press evenly into the bottom of a greased and parchment paper lined 9×13 inch baking pan.
Bake for 20 to minutes at 350 degrees F ( 325 degrees F if you are using glass bake-ware) The bottom should just be beginning to brown slightly at the top edges.
For the lemon topping
Simply whisk together the sugar flour, eggs, zest and lemon juice until the sugar is dissolved.
Allow the topping to sit for about 10 minutes before whisking together well again and pouring over the baked shortbread base.
Bake at 350 degrees F for about another 20- 25 minutes or until the top is slightly browned and the custard appears to be set. Cool completely. Sprinkle with icing sugar when cool or try adding a meringue topping.
Notes
Making a deeper lemon layer.
! For a thicker lemon layer (See notes below for ingredient amounts to use for a thicker lemon layer)
2 1/4 cups sugar
1/3 cup + 1 tbsp flour
6 eggs
zest of three lemons, very finely chopped
juice of 3 lemons, (about 1 cup juice)
Note on the shortbread bottom.
I added just a little baking powder (1/4 tsp) to the shortbread bottom layer. With the extra weight of the topping, I wanted to be sure the shortbread base would not get soggy.
It worked perfectly and is well worth trying when you make your next batch.
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Nutrition Information
Yield 36
Amount Per Serving
Calories 125
Saturated Fat 3g
Cholesterol 31mg
Sodium 52mg
Carbohydrates 17g
Sugar 11g
Protein 1g
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