The deep crimson-hued fruits make a striking contrast to the pristine whiteness of the yogurt. The plums take about 15 minutes to prep and sauté and will need a few minutes to cool. Then all that is necessary is to whisk the yogurt with some sugar and vanilla and to assemble the parfaits.Serves 6PREP TIME:15 minutesSTART-TO-FINISH TIME:40 minutes, including cooling time for the plumsMAKE AHEAD:Partially2 lb/910 g medium-ripe dark red or purple plums, rinsed and driedâ…“ cup/65 g sugar, plus 1 ½ tbsp, and more if needed¾ tsp ground ginger¼ tsp ground cinnamon2 cups/480 ml plain Greek-style yogurt (see market note)¼ tsp vanilla extract¾ cup/85 g granola (see market note)MARKET NOTE:Nonfat as well as reduced- to whole-fat varieties of Greek yogurt work in this recipe.Use a good-quality purchased granola, preferably one without dried fruits. Maple-flavored ones taste particularly good with the plums and yogurt.1. Halve the plums lengthwise, and pit. Slice each half, lengthwise, into quarters.