Orange Squares

1 medium orange (ground fine), 1 cup raisins, 1/2 cup butter, 1 tsp. soda, 2 eggs (beaten until thick), 1 cup sugar, 1/2 cup sour milk, 1 3/4 cup flour.

Cream sugar and butter together. Add well-beaten egg, orange, raisins, sour milk mixed with soda, and flour. Bake in moderate oven (300 degrees).