Grilled Peaches and Plums with Cinnamon Honey Yogurt Sauce

3 peaches
3 plums
1 tablespoon extra light virgin olive oil or extra virgin coconut oil
½ cup plain greek yogurt
1 tablespoon honey
½ teaspoon cinnamon

Cut fruit in half and remove pit. Brush each side of the fruit with oil. Place on the grill over medium heat for about 3 minutes per side. Remove from heat. Stir together the yogurt, cinnamon, and honey. Drizzle over the fruit.