Easy Vegan Air Fryer Donuts With Custard Cream Filling

• 250 g self-raising flour (plus extra for kneading)
• 2 Teaspoons instant yeast
• 160 ml unsweetened soy milk
• 60 g vegan margarine
• 40 g caster sugar
• 1 Teaspoon vanilla extract

Coating:

• 60 g Vegan margarine, melted
• 100 g caster sugar

Filling:

• ∼100 g Store-bought or homemade vegan custard cold (see custard section in post body)