Heat oven to 350°F.
Grease and flour bottom only of 8x4 or 9x5 inch loaf pan.
In food processor bowl with metal blade or blender container, process orange, including peel, until finely ground.
Measure 1/2 cup.
In large bowl, combine 1/2 cup ground orange and all remaining bread ingredients; stir 50 to 75 strokes until dry particles are moistened.
Pour batter into greased and floured pan.
Bake at 350°F. for 50 to 60 minutes or until toothpick inserted in center comes out clean.
Cool 15 minutes; remove from pan.
In small bowl, combine glaze ingredients, adding enough orange juice for desired glaze consistency; blend well.
Drizzle glaze over top of loaf.
Garnish as desired.
Allow glaze to set before wrapping tightly.
Store in refrigerator.