Beat together sugar and butter until light and creamy.
1/4 cup sugar, 1/2 cup butter
Gradually beat in flour and salt until the mixture is crumbly.
1 1/2 cup flour, 1/4 tsp salt
Press mixture into a 9 in. x 13 in. pan and bake at 350 degrees for 17 minutes.
For the Filling
Place all filling ingredients in a bowl and blend until smooth.
1/2 cup Lemon Juice, Zest of one Lemon, ½ cup Plaid Shirt Farms Black Currant Jam, 1 1/2 cup sugar, 3 eggs, 1/4 cup flour, 1/4 tsp salt, 1/2 tsp baking powder
Pour into the hot crust when it's finished baking.
Bake for an additional 25 minutes or until the middle is set.
Sprinkle with icing sugar.
Serve warm or chill in refrigerator until later use.