Paska Bread
1 cup butter, softened 1 egg 1 tablespoon water 12 cups all-purpose flour 2 (.25 ounce) packages active dry yeast 2 tablespoons butter, melted 3 cups warm milk 4 cups all-purpose flour 6 eggs, beaten ¼ teaspoon lemon zest ¼ teaspoon salt ½ cup warm water (110 degrees F/45 degrees C) ½ cup white sugar