Chocolate Refrigerator Cookies

½ cup shortening

1 cup packed light brown sugar

1 egg

1 ½ (1 ounce) squares unsweetened chocolate

½ teaspoon vanilla extract

2 cups all-purpose flour

½ teaspoon baking powder

¼ teaspoon baking soda

¼ teaspoon salt

3 tablespoons milk

½ cup chopped walnuts

Thoroughly cream shortening and sugar; add egg and beat well. Melt chocolate over low heat. Add chocolate and vanilla to shortening mixture. Mix well.

Sift dry ingredients; add to creamed mixture alternately with milk. Stir in nuts.

Shape into rolls. Wrap in waxed paper; chill thoroughly or overnight.

Preheat oven to 400 degrees F (200 degrees C).

Using a sharp knife, cut 1/4 inch thick slices off the rolls and place about 2 inches apart on cookie sheets. Bake 8 to 10 minutes.