same problem as before.
line 730 is the add to cart function for the baby cakes:
$cupcake1->AddToCart($ATC_AddIfIn, $ATC_RedirectIfIn, $ATC_itemID, $ATC_itemName, $ATC_itemDescription, $ATC_itemWeight, $ATC_itemQuantity, $ATC_itemPrice, $ATC_itemPlatterOptions, $ATC_itemTaxable,1,$ATC_itemPrice);
the second to last argument is set to 1, it needs to be set to 0. using 1 forces the quantity to 4