I agree, it'll come back to haunt you....(voice of experience).
Salad is easy to prep/plate
A baked dish....vegetable lasagna, canaloni, manicotti, spinach crepes....etc...something that you can either bring in hot or heat there.
that needs no fussing.
rolls/butter
....flourless chocolate cake or ice cream with a red wine syrup or apple strudels or .....
**It's not just the food costs it's the labor that goes into in and think of how much last minute preparation you have.....15-25 chicken breasts? unless you have cambros or your baking them in their oven then it's gonna be a major pain....having the industrial size equipment on hand (or renting).....
Are they providing a beverage or are you? What about waitstaff....2 is easier than one especially plating 15-25 3 course meals....my staff is $20-25 an hour 4 hour minimum....does she have all the plates, glassware, silver or are you renting? Is this buffet (easier) than served?
*If your just starting out with catering remember, liability ins, sales tax, equipment purchases, PROFIT, all kinds of exspenses that no one sees but you and others that cater too.....advertising, print......
Check out the Catering thread for more info....seems like this needs to be moved possibly?