Grilled Sweet Potato Salad with Smoked Tomato Vinaigrette

large sweet potato (peeled)

frozen organic corn kernels (defrosted)

red onion (chopped)

red bell pepper (chopped)

chopped fresh cilantro

For the Dressing:

olive oil

apple cider vinegar

medium size vine ripened tomatoes (cut into quarters)

garlic

liquid smoke

Salt and pepper