Challah w/Potato Water

Ingredients

• 1 Challah
• 1 cup potato water (water that potatoes have been cooked in)
• 1 cup water
• 4 tablespoons shortening
• 4 tablespoons sugar
• 2 teaspoons salt
• 2 eggs
• 2 packages or 2 tablespoons of fast rising active dry yeast
• 4-1/2 cups all-purpose flour
• 1 beaten egg or replacement