Caprese Pops - Hors d'oeuvres on a stick. Scoop out the center of the cherry tomato. Scoop tiny mozzarella balls and stuff inside the tomato. Drizzle with extra virgin olive oil, sprinkle with basil and lemon zest.
Tomato tulips w/ green onion stems. Pretty salad or appetizer idea. Cut tomatoes as shown, scoop out pulp and seeds, then fill with your favorite herbed cream cheese, cottage cheese, or a creamy salad mixture. Add green onions as "stems.
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.