Picture a side of coleslaw right now, and you'll likely imagine a damp little paper cup of something resembling a goopy, vegetable-garnished mayo that's both complimentary and unwanted at the local ...

For something that is so often found in teensy-weensy paper cups alongside tuna melts at diners, paired with hot dogs at roadside stands, and jammed into baskets at barbecue spots, coleslaw can be ...