Matcha Christmas Wreath Pavlova

Bahan-bahan (10 porsi)

• 8 large egg whites, at room temperature
• 2 1/4 cups granulated sugar
• 1 tablespoon lemon juice
• 1 tablespoon vanilla extract
• 3 tablespoons cornstarch
• 1 1/2 tablespoons Aiya America matcha powder, plus more for sprinkling
• 2 cups heavy cream
• 1/4 cup powdered sugar
• 1 small bunch mint leaves, to top
• Assorted fresh berries ( I use cherries, blackberries, blueberries, halved strawberries, and pomegranates seeds), to top