Whip cream cheese, greek yoghurt and sugar substitute until smooth and creamy. Add vanilla extract, salt, and lemon juice until well-combined.
Slowly add eggs and cornstarch, stirring just until each egg is just incorporated.
Transfer cheesecake filling onto the muesli crust.
Bake the cheesecake in the middle shelf of the oven for 45 minutes.
Remove the cheesecake from the oven and let cool to room temperature. Transfer to the fridge and set for at least 2-3 hours, overnight preferred. Once the set, slice and enjoy!