Desserts: Orange Cake (Serves 8)

1/2 cup unsalted butter, softened
3/4 cup sugar
4 t finely grated orange zest
2 large eggs
1/2 cup sour cream
1/4 cup fresh orange juice
1 1/2 cups flour
1 t b.p.
1/2 t s
1/2 t b.s.
Confectionary sugar

Preheat oven to 350 F.  Lightly butter 8" square pan, line bottom with waxed paper, lightly butter again.  Beat tog butter thru zest in large bowl with elec mixer until creamy, 2 mins.  Add eggs, 1 at a time, beating unti just incorporated.  Whisk in sour cream and juice, then rest exc. confect sugar, whisking until just combined.  Pour into pan, bake till golden (test with toothpick) 30-40 mins.  Cool in pan on rack 10 mins, turn out onto rack.  Discard paper and cool.  Dust with sugar.