In a small bowl, add 3 tbs of active dry yeast, with 4 tbs sugar. Add 1 cup warm water(1/2 cup hot and 1/2 cup cold).
Stir, cover and set aside for about 15 minutes.
In a big bowl, add an entire 5 pounds pack of Flour, but leave out just a little, to flour the surface when you make the challah shapes.
Add 4 eggs, 1 cup sugar, 1 cup oil, 3 teaspoon salt.
Add the yeast mixture, and 3 more cups of warm water.
Mix very well with your hands, cover the dough and let it rise, punch it and mix it.
Let it rise for at least 2 hours.
Take a piece and say the Challah prayer.
Make the challah shapes, cover them and let them rise for another 45 minutes to 1 hour.
Brush egg wash on them and bake them at 350, until golden.
Enjoy!!