Watermelon goes well with cheeses such as feta cheese, goat cheese, blue cheese, Caprese cheese, etc. On the other hand, watermelon goes well with some veggies and fruits - avocado, red onion, berries, corn, lemon, etc. As per herbs, most people love pairing watermelon with mint a lot, as well as basil. If you like spicy, then try shaking some spicy chili pepper on your watermelon appetizer!