Orange Refrigerator Cookies
["1 c. butter", "1/2 c. white sugar", "1/2 c. brown sugar, firmly packed", "1 egg, beaten", "1 Tbsp. grated orange rind", "3 Tbsp. orange juice or 1/4 tsp. orange extract", "2 3/4 c. sifted flour", "1/2 tsp. salt", "1/4 tsp. soda"]
["Cream the butter and sugar together.", "Add the egg and the orange rind and juice or extract.", "Beat vigorously.", "Then add the dry ingredients, sifted together.", "Shape into two rolls and cover with wax paper.", "Chill thoroughly.", "Slice one-fourth-inch thick. Bake in a hot oven, 400\u00b0, for about ten minutes.", "Makes about thirty cookies.", "(These are good decorated with icing, fruit or nuts.)"]
["butter", "white sugar", "brown sugar", "egg", "orange rind", "orange juice", "flour", "salt", "soda"]