Tip: click step to get into cook mode
Mix 1 cup very warm water with sugar and yeast
Add the margarine, 2 eggs, salt, and mix ((this can be done in a blender)
Pour the wet ingredients into a large mixing bowl containing the flour. Mix or knead for a few minutes.
Put dough in an oiled bowl and turn on all sides so oil coats all dough
Cover with a towel, let rise 1 hour
Mix dough again and braid challah. Place braided challah on a sprayed pan.
Cover, let rise 1 hour, then brush on egg yolk mixed with 1 tbsp water
Bake at 325° for 20 mins