Gingerbread Cookies | Gimme Some Oven

• 1 tbsp Ginger, ground

• 1 Egg, large

• 1/2 cup Unsulfured molasses

• 3 1/4 cups All-purpose flour

• 3/4 tsp Baking soda

• 1/2 cup Brown sugar, packed

• 1 tbsp Cinnamon, ground

• 3/4 tsp Cloves, ground

• 1/2 tsp Nutmeg, ground

• 2 cups Powdered sugar

• 1/2 tsp Salt

• 1 3/4 tsp Vanilla

• 3/4 cup Butter, unsalted

• 2 tbsp Milk

• (optional) zest of one small orange