If you're looking for something sweet to do with your kids over Halloween weekend, scout no further than Roy's (1901 N. Military Trl., Boca Raton, 561-620-9401). On Sunday, October 28, pastry chef Ralph Sorrentino will teach a baking class for children ages 7 to 12 called "Halloween Treats with a Hawaiian Fusion Twist." Kids will learn how to make Halloween cookies and pumpkin pie. Given the fine-dining context, Sorrentino's lesson promises to be filled with both treats and tricks of the trade. Cost is $20 per child, and parental supervision is required.