If you're going vegetarian + gourmet, Plated by Erin's Cheesy Mushroom Puff Pastry Bites are a major must. Since the mushroom/caramelized onion/garlic/thyme/Gruyere (OMG, yum) topping goes on and not in, these puffs are surprisingly easy to prep.
Wedding Menu Planning Tips From an Industry Insider
Using my recipe. Green onion,thin ham and cream cheese. Make bites and roll into crushed ritz with pretzel stick as handle. Mini Cheese Ball Bites ~ easy appetizers featuring dried cranberries, blue cheese, toasted pecans, and pretzel skewers