Whip the eggs, sugar, and corn starch till a ribbon like texture occurs.

Boil milk, cream, and butter then add the egg mixture and simmer, stirring constantly for 1 minute till thick.

Strain 2 times and add vanilla, folding it in. cover tightly and chill for an hour till it has a whipped consistancy.

Make 2 circle cakes as the box says. And let cool.

For the topping, boil cream and butter, pour over the chocolate and whip till dark and thick. Let it chill.

Layer the filling on one cake evenly. Gently place the other cake on, gently wiggle it while pressing down till you see the filling just slightly match the cakes edge.

Pour the chocolate over the cake evenly. Serve and Enjoy :)