Orange Steamed Pudding with Orange Hard Sauce

1/2 cup unsalted butter, softened
1 cup granulated sugar
4 eggs
2 cups flour
2 teaspoons baking powder
1/2 cup orange juice
1 1/2 tablespoons grated orange peel
1 1/2 tablespoons grated lemon peel

In large bowl, cream butter. Add sugar, a little at a time, and continue beating until mixture is light and fluffy. Add eggs, one at a time, beating well after each addition. Sift flour and baking powder together and add to butter mixture alternately with orange juice. Stir in orange peel and lemon peel. Pour batter into well-greased 1-quart steamed pudding mold and cover tightly with lid. Place mold on rack in kettle with tight fitting lid. Add enough hot water to kettle to reach two-thirds up sides of mold. Steam pudding, covered, for 2 hours over moderate heat. Remove mold from kettle and let stand on rack, uncovered, for 15 minutes. Invert pudding onto a plate. Dust with confectioners' sugar.

Orange Hard Sauce
6 tablespoons unsalted butter, softened
1 cup sifted confectioners' sugar
1 tablespoon grated orange peel
2 teaspoons orange juice
Confectioners? sugar

Cream butter. Beat in confectioners' sugar, a little at a time. Add orange peel and orange juice and beat mixture until fluffy. Transfer to a serving bowl.