To find, from a list of potential suitors, whom you are most likely to marry, on Halloween night take one crab apple to represent each suitor. Prick the initials of each candidate into the skin of the apple selected. Leave the apples undisturbed in a box for almost a year, until Old Michaelmas Day (Oct 11). The most perfectly formed initials reveal the answer.
Another (and much quicker) method is to take as many hazelnuts as you have prospective partners. Name each nut accordingly before placing them evenly in the front of the fire. The nut that pops the loudest and burns most brightly says it all.
From: The Good Spell Book