Peel, core and dice the apples.
Throw them into a pan, cover with water and add your sweetener.
Briefly stir, pop a lid on the pan, transfer to the hob.
Boil on high heat for 15-20 minutes, or until the water has evaporated. Stir occasionally.
Once the water has cooked off, blitz the cooked apples along with the lemon juice in a food processor or blender until smooth.
Store in a jar in the fridge for up to 3 days, or portion and freeze.
Nutritional Information for the whole batch:
Calories: 333 / Protein: 2g / Carbohydrate: 89g / Fat: 1g