Preheat 375 degree oven
Beat butter in mixer, add the brown sugar and cream until light (3 minutes) add 3 eggs(!!! – hold one for egg wash) and the molasses
Combine flour and dry ingredients. Add to butter and beat just until blended. Add crystallized ginger, raisins, nuts
With your fingers, form dough into 6 logs, two per baking sheet. Logs will be about 1 inch high and 1 ½ wide, leaving about 3 inches between the logs.
Beat the 4th egg and brush on top of the logs
Bake 10-14 minutes, while still soft remove, cool and slice across the logs. Keep in covered container, refrigerator or freezer.