Walnut Cake with Chocolate Orange Sabayon and Vanilla Crème Anglaise

Setting up the lunch table under the cool shade of a walnut tree seemed like a good idea until my guests and I heard the first sound of something hit the ground behind us on the patio. We paid no attention as we were distracted by the aroma of the tagliatelle with porcini mushrooms that my husband was placing on the table. Then three walnuts fell on the middle of the table. We left them there as our centerpiece as we enjoyed lunch under this gentle bombardment. Then two walnuts fell into on