Heat milk and margarine until lukewarm.

Add sugar to the warm milk mixture and stir until dissolved.

In a separate small bowl, dissolve the dry yeast in warm water.

In a large mixing bowl, combine the milk mixture and the dissolved yeast.

Add the beaten eggs, salt, vanilla, and orange juice to the bowl.

Gradually add the flour, one cup at a time, mixing until a soft dough forms.

Knead the dough on a lightly floured surface for 3-4 minutes until smooth.

Place the dough in a greased bowl, turning to coat.

Cover the bowl tightly and let it rise in a warm place until doubled in size (approximately 1.5-2 hours).

Optionally, add raisins or mixed fruit to the dough after the first rise.

Preheat oven to 325°F (160°C).

Shape the dough into desired loaf shape and place in a baking pan.

In a small bowl, whisk together the egg white with a little water to create an egg wash.

Brush the egg wash over the surface of the bread.

Bake for 30-40 minutes, or until the bread is golden brown and cooked through.