Tangy Lemon Squares

125g butter softened
1/4cup icing sugar
1 1/4 cup plain flour
3 eggs
1 cup caster sugar
2 tsp lemon rind
1/2 cup lemon juice

Preheat oven to 180c, grease square cake pan line with baking paper.
Beat butter and sifted icing sugar until smooth. Stir in 1 cup flour. Press mixture into pan and bake for 15 minutes.
Whisk eggs, caster sugar, remaining flour, rind and juice in bowl. Pour over hot base.
Bake slice for 20 minutes. Cool in pan then cut.
Enjoy