This beautiful and nutritious summer side dish recipe takes colorful vegetables and threads them on kababs, then grills them with herbed butter sauce until they're tender and smoky. Make grilled vegetable kababs for your next summer party for a colorful side dish. You can use any type of vegetable you'd like. Just make sure that they will cook on the grill in about the same amount of time. That means potatoes, chunks of corn on the cob, and other root vegetable such as carrots should be precooked, either in the microwave, or in simmering water, until almost tender before you put them on the skewers. You can serve this recipe with homemade hummus for dipping. Tell your guests to remove the veggies from the skewers using a fork, then dip each vegetable into the hummus before eating. This recipe could almost be a main dish for a light vegetarian lunch; serve with some muffins or toasted garlic bread.