Nikitta Riber wrote:

> Thursday next week I'll turn 30, and the following Saturday I've
> invited some friends over to celebrate it, but I can't think of
> something to cook, which omnivores will enjoy too, especially since
> some of the people I've invited aren't too keen on vegetables.

Oh dear, that's a rather broad question. First you'll have to decide
whether you want a formal dinner with n-course meal, some sort of cold
buffet with snacks, a warm buffet with various choices, a barbecue or
something else completely. Do you want to prepare all the food or are
your guests expected to bring some? How good are your cooking skills,
and how many guests do you expect?