Washboard Cookies

1/2 cup butter, softened
1 cup packed brown sugar
1 egg
1/2 teaspoon baking soda
1 teaspoon hot water
1 teaspoon vanilla
1 3/4 cups flour
sugar

Cream butter, brown sugar, and egg.
Stir together baking soda and water.
Add to creamed mixture.
Add flour and mix well.
Shape into walnut sized balls.
Place on greased cookie sheets.
Flatten with fork.
Sprinkle with sugar.
Bake at 325F degrees for 15 minutes.