Orange-Date Cake

1 cup butter
1 cup granulated sugar
Pinch of salt
Grated rind of 2 oranges
1 cup sour milk
2 1/2 cups flour
2 eggs, beaten
1 cup dates, chopped
1 cup nuts, chopped
1 teaspoon baking soda
1 teaspoon baking powder

Mix all together well. Bake in a buttered 13 x 9-inch dish at 350 degrees F for 45 minutes to 1 hour. Let stand for 5 minutes; mix the strained juice of 2 oranges with 1 cup granulated sugar. Spread orange-sugar mixture over top of cake. When dry, sprinkle with confectioners' sugar.