Tips for Two: Although browning is inevitable, less browning is possible if you keep the pit in the avocado half you're storing and wrap it tightly in plastic wrap. Mash with reduced-fat mayonnaise and use as a sandwich spread; dice and sprinkle on top of scrambled eggs; toss in salad.
Tip: To oil the grill rack: Oil a folded paper towel, hold it with tongs and rub it over the rack. (Do not use cooking spray on a hot grill.) When grilling delicate foods like tofu and fish, it is helpful to spray the food with cooking spray.