Prepare the Crust: Mix almond flour, melted butter, erythritol, cinnamon, and salt in a bowl. Press the mixture into a greased springform pan and flatten evenly. Bake at 325°F (160°C) for 10 minutes and then let it cool.
Make the Filling: In a large bowl, beat softened cream cheese until smooth and fluffy. Add eggs, sour cream, erythritol, vanilla, and lemon juice one at a time. Mix everything until the batter is smooth and lump-free.
Assemble and Bake: Pour the cheesecake filling over the cooled crust evenly. Bake at 325°F (160°C) for 40–45 minutes until center is almost set. Turn off the oven, leave the door open, and cool it inside for 30 minutes.
Prepare the Strawberry Topping: In a saucepan, cook strawberries, water, erythritol, and lemon juice on medium heat. Once softened, mash lightly and add xanthin gum to thicken. Let it cool completely.
Chill and Serve: Spread the cooled strawberry mixture over the chilled cheesecake.Refrigerate for 4 hours or overnight for best texture and flavour. Slice and enjoy your keto-friendly strawberry cheesecake!