Trim, peel and cut <quantity>1</quantity> granny smith apple

Deseed and finely chop <quantity>2</quantity> spicy red chilies

Add chopped apple to blender

Add <quantity>4<unit>tbsp</unit></quantity> of water and <quantity>4<unit>tbsp</unit></quantity> of apple cider vinegar

Cover and blend on high until homogenized

Strain into a pan

Add <quantity>4<unit>tbsp</unit></quantity> of caster sugar. Stir to incorporate

Simmer on medium heat until mixture reaches <temperature>80<unit>°C</unit></temperature>

Add finely chopped chili and cook until a temperature of <temperature>120<unit>°C</unit></temperature>. Transfer to a container to cool and reserve until needed

The apple and sweet chili sauce is ready