Serve these grilled nectarines with lightly sweetened mascarpone (Italian cream cheese) as a first course or a sophisticated dessert. Look for balsamic glaze near balsamic vinegar in well-stocked supermarkets or use honey for a sweeter taste.
Tips: To toast sliced almonds, place in a small dry skillet and cook over medium-low heat, stirring constantly, until fragrant and lightly browned, 2 to 4 minutes.
Oiling a grill rack before you grill foods helps ensure that the food won't stick. 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 coat the food with cooking spray.