Challah I

Ingredients

• 1 stick margarine
• 1 cup boiling water
• 2 oz. fresh yeast, a cube
• 1 tbsp. sugar
• 3/4 cup sugar
• 1-1/3 cups lukewarm water
• 3 eggs
• 1 tbsp. salt
• 9 cups flour
• 1 egg yolk
• 2 tsp. sugar