Zuppa Inglese Della Nonna

Name: Zuppa Inglese Della Nonna
Ingredients: 8 ounces savoy biscuits (Savoiardi, substitute one sponge cake, your preferred one); Vanilla cream (Crema pasticciera); 4 egg yolks; 5 ounces sugar (or to taste); 1 lemon, peel only greated; 1 teaspoon vanilla; 2 tablespoons cornflour; 4 cups milk, boiling; Syrup; 1⁄2 cup espresso coffee (alternative 1/4 cup alkermes with 1/4 cup water 1 teaspoon sugar); 2 tablespoons maraschino cherries (or one tablespoon amaretto); 1 tablespoon Amaretto (add 1 tablespoon nocino if you have); 2 tablespoons sugar; Topping; 1 teaspoon cocoa powder (optional or other topping as desired)