Personally, I wouldn't worry about it. I think if you have 14 year old
boys doing any cooking that's a great start. Over time, perhaps they
will branch out to more complicated meals. Given that, as a parent of
a 14 year old boy, I think you probably will need to be more involved,
at least at first, if you want them to do more. Maybe a list of
entrees, vegetables, and salads--they have to pick one from each list.
Or a few set menus that they can pick from (pasta, salad and garlic
bread; chicken, potatoes, and green beans; etc.). You can work
together to come up with the lists or menus, but then they choose what
they want.

Chris