2 cups butter
1 cup packed brown sugar
4 1/2 cups all-purpose flour
Preheat oven to 325 degrees F.
Cream butter and brown sugar. Add 3 to 3 3/4 cups flour. Mix well.
Sprinkle board with the remaining flour. Knead for 5 minutes, adding enough flour to make a soft dough. Roll to 1/2-inch thickness. Cut into 3×1-inch strips. Prick with fork and place on ungreased baking sheets.
Bake at 325 for 20 to 25 minutes.