Percy:
*manages to make the kitchen explode like his 7th(?) grade gymnasium*
Leo:
*Burns the cake so horribly that the house reeks like burnt cake for months afterward!*
Frank:
*makes a decent cake, but terribly decorated*
Hazel:
*cant make cake, so makes waffle tower*
Jason:
*cupcakes*
Piper:
*helps decorate Hazel's waffle tower*
Annabeth:
*makes a freaking cake city*
Nico:
*somehow starts to make cake and finished with a banana bread loaf*
Will:
*just sprinkles flour on Nico's body and does some cute OTP baking oneshot*
Rachel:
*makes the messiest cake there*
Reyna:
*just eats the cake batter*