Recipe Card

Adjust oven rack to the medium position; heat oven to 200°F. Line a baking sheet with parchment paper.
Whip egg whites, vanilla extract, and cream of tartar in a stand mixer on medium-low speed until foamy. Increase speed to medium-high and whip until soft peaks form. Gradually add sugar while continuing to whip until stiff peaks form.
Scoop mounds of meringue onto the baking sheet and form into a bowl shape. Bake until dry, about 2 hours. Turn off oven and let meringues harden for 2 more hours.
Toss strawberries, raspberries, and blackberries with sugar and let sit until juicy.
Whip cream with vanilla extract and sugar until soft peaks form.
Spoon whipped cream onto each meringue and top with berries. Serve.