This recipe passed on to me by my American food friends in Kinvara, always ready to share the good things.
BISCUIT BASE
250g butter, room temperature
100g caster sugar
250g plain flour
LEMON TOPPING
4 eggs
350g caster sugar
Zest and juice of 4 lemons
120g plain flour
1 tablespoon icing sugar
Set the oven 180c gas 4 Line a baking tin 30cm x 23cm x 3cm.
Cream the butter and sugar together, add in the flour, mix well, then with floured hands, press the dough into the base of the lined tin. Bake in the hot oven 25/30 minutes until golden brown. Cool in the tin. Mix the topping, whisk the eggs, caster sugar together, add in the zest, lemon juice and flour mix well, pour the mixture over the cooked and cooled biscuit base, return to the oven and bake for a further 35/40 minutes until well set. cool in the tin, sprinkle with the icing sugar and cut into bars.