Gluten-free Oreo-style Cookies

Ingredients

 * ¼ cup cocoa or carob powder
 * ¼ cup potato flour
 * ¼ cup rice flour
 * ½ cup white sugar
 * ⅜ cup stick margarine
 * 1 egg

Directions

 * 1) Preheat oven to 350 °F.
 * 2) Grease cookie sheet.
 * 3) Mix dry ingredients together.
 * 4) Beat egg.
 * 5) Mix egg and margarine together; mix in with dry ingredients (may have to use hands).
 * 6) Form dough into 1-inch cylinder-shaped balls and place on cookie sheet.
 * 7) Flatten with a fork dipped in cold water.
 * 8) Bake at 350 °F for 12 – 15 minutes.
 * 9) Once cooled, put frosting between the smooth halves of the cookies and sandwich two together.