Chocolate Yule Log

Name: Chocolate Yule Log
Prep time: 60 min
Yield: 8
Cuisine: Francesa
Ingredients: 8 eggs, (for the cake); 2 egg yolks, (for the cake); 180 grams sugar, (for the cake); 180 grams flour, (for the cake); 1/2 cups sugar, (for the frosting); 1 tablespoon cornstarch, (for the frosting); 1 cup cow's milk, (for the frosting); 3 egg yolks, (for the frosting); 4 sticks bittersweet chocolate, (for the frosting); 125 grams butter, (for the frosting)