St Hildegard's baking recipe

A remarkable woman of the Middle Ages, Hildegard was a Benedictine abbess, musician, artist, writer, and adviser to bishops, popes, and kings. As a scientist and healer, she promoted natural medicine that integrated physical, psychological, and spiritual healing. She proposed principles for a balanced diet and explored the medicinal uses of plants, animals, and trees
This is her recipe for delicious cookies
3/4 cup butter or margarine
(1 1/2 sticks)1 cup brown sugar
1 egg
1 tsp baking powder
1/4 tsp salt
1 1/2 cups flour
1 tsp ground cinnamon
1 tsp ground nutmeg
1/2 tsp ground cloves