Preheat George Foreman grill or grill pan to medium high heat. Combine first seven incredients and form into 5 patties. If not using George Foreman, drizzle grill pan or brush grill with vegetable oil. Cook patties 5 to 6 minutes on each side. Microwave cranberries for topping with splenda and water in a covered dish for a 2 or 3 minutes on medium heat (until they have popped and the water has reduced. Cool mixture and stir into yogurt or mayonnaise.
Rachel Ray suggests serving burgers on sourdough english muffins but they are fine on any kind of bread or just plain!