Have you ever taken a bag of snacks with you on a road trip? If you lived in the 19th century, you might have taken hardtack instead.

Follow this Colonial recipe for candied rose petals, and share the sweets with friends, family or classmates.

Make quick sweet and salty walnuts, a delicious addition to fall salads and fruit and nut plates, or a simple afternoon snack.

This holiday season, don't forget the many delights of "cookie science"! Here's a confection we especially like.