Preheat oven to 400°F.
In a bowl, whisk together eggs, Greek yogurt, Swerve sweetener, and vanilla extract.
Sift in cornstarch and mix until smooth.
Pour the batter into a parchment-lined springform pan.
Bake for 40 minutes, or until the top is deeply golden and the center is slightly jiggly.
Let cool before slicing.
