A platter of Halloween-decorated deviled eggs? There's the black olive spider, the eyeball, pumpkins or weird looking green eggs with avocado.
A fall themed salad with roasted pumpkin or squash, dried cranberries, spiced walnuts, baby spinach and feta or goat cheese (ingredients can all be bagged individually and mixed in a bowl on site)
Orange hummus served in a hollowed pumpkin & veggie platter