Fudgy Dark Chocolate Cheesecake Swirled Brownies

for the cheesecake

Greek yogurt cream cheese, softened

plain nonfat Greek yogurt

vanilla crème stevia

vanilla extract

for the brownies

white whole wheat flour or gluten-free* flour (measured like this)

unsweetened cocoa powder (measured like this)

baking powder

salt

unsalted butter or coconut oil, melted and cooled slightly

large egg whites, room temperature

vanilla extract

plain nonfat Greek yogurt

pure maple syrup