Follow directions to make lard pastry, chill in the fridge for 2 hours, then remove and roll out into two separate parts.
Roll out between two sheets of parchment paper, into a round circle that is 5cm (2 inches) wider than your 23cm pie pan all the way round
Place the pie bottom into the pie tin.
Preheat your oven to 220 C (420F)
Boil the chayote fully submerged in water for 10 minutes before mixing with other ingredients.Remove boiled chayote form the water, add the erythritol, cinnamon, lemon and zest, guar gum and the pinch of salt into a large bowl and mix together with the chayote.
Place the filling into the pie tin on top of the pastry. Using the second half of the pastry, roll out between two sheets of parchment paper to make sure it covers the top of the pie (with 1 inch left over all the way around).
Pinch the edges together with your fingers, whisk the egg and brush the top of the pastry with the egg mixture.
Place the pie in the oven for 15 minutes at 220 C (420 F), the reduce the temperature to 180C (355F) for a further 30 minutes until top of pie looks golden brown.
Let it cool before serving.
Need A Keto Shopping List?Check out my keto foods list with free printable pdf and flavour pairings guide.
Nutrition Facts
Keto Apple Pie
Amount Per Serving
Calories 219Calories from Fat 180
% Daily Value*
Fat 20g31%
Carbohydrates 8g3%
Fiber 5g21%
Protein 5g10%
* Percent Daily Values are based on a 2000 calorie keto diet.