Gina Homolka's Macerated Berries with Greek Yogurt Whipped Cream

Name: Gina Homolka's Macerated Berries with Greek Yogurt Whipped Cream
Prep time: 15 min
Total time: 15 min
Yield: 6
Ingredients: For the Berries:; 1 lb strawberries, hulled and halved (or quartered if very large); 12 oz raspberries; 12 oz blackberries; ¼ cup granulated sugar; For the Greek Yogurt Whipped Cream:; ¼ cup granulated sugar; ⅔ cup cold heavy whipping cream; 1 teaspoon vanilla extract; ⅔ cup Greek yogurt (Gina recommends 0%; I used 2%)