| 2 (.25 ounce) packages active dry yeast 1/2 cup warm water (110 degrees F/45 degrees C) 1/2 cup white sugar 3 cups warm milk 4 cups all-purpose flour 6 eggs, beaten | 1/2 cup white sugar 1 cup margarine, softened 1/4 teaspoon salt 1/4 teaspoon lemon zest 12 cups all-purpose flour 1 egg 1 tablespoon water 2 tablespoons butter, melted |