baby Yukon potatoes - 4 pounds (about 4 pounds, halved)
water - watch the video to see (enough to cover potatoes in pot)
salt - 1 teaspoon (for boiling potatoes and dressing, about 1 teaspoon kosher salt total)
vinegar - watch the video to see (a splash added to potato boiling water)
sweet corn - 3 ears (3 ears, kernels sliced off after grilling)
oil - watch the video to see (a little bit for tossing corn before grilling)
sour cream - 1/2 cup (for dressing)
mayonnaise - 1/2 cup (for dressing)
cayenne pepper - 1/2 teaspoon (optional, about 1/2 teaspoon for dressing)
lime juice - juice of 1 lime (freshly squeezed juice of one lime)
kosher salt - 1 teaspoon (for dressing, about 1 teaspoon)
black pepper - 1 teaspoon (freshly ground, about 1 teaspoon for dressing)
red onion - 1/2 large (half a large, chopped)
cilantro - watch the video to see (chopped, amount to taste)
cotija cheese - 1/2 cup (crumbled, about 1/2 cup)