Whoopie Pies

Ingredients

• Filling: 110g butter, 310g icing sugar, 120ml double cream
• 125ml milk
• 1 tsp lemon juice
• 1 1/2 tsp baking soda
• 75ml water
• 2 tbsp ground flaxseed
• 60ml sunflower oil
• 60g caster sugar
• 75ml maple syrup
• 185g apple sauce
• 1/2 tsp vanilla extract
• 1/4 tsp salt
• 220g self-raising flour
• 60g cocoa powder
• 1/2 tsp baking powder

Method

1. Filling first: cream butter and icing sugar until pale, fold in the whipped cream, then into a piping bag and straight into the fridge.
2. Milk, lemon juice and baking soda mixed and set aside.
3. Flaxseed into the water, 5 minutes to thicken.
4. Whisk oil, sugar and maple syrup into the flax, then apple sauce, vanilla and salt, then the milk mixture.
5. Sift in flour, cocoa and baking powder to a smooth batter.
6. Pipe or spoon rounds onto lined trays, well apart — they spread and dome.
7. 180°C for 12-15 minutes until they spring back.
8. Cool completely, then pipe filling onto half and sandwich.