Vanilla Crunch Sandwich Cookies

Ingredients:

For the Cookies:
180g unsalted butter, softened
150g caster sugar
1 large egg
2 tsp vanilla extract
240g plain flour
50g rolled oats
1/2 tsp baking powder
Pinch of salt

For the Vanilla Filling:
120g unsalted butter, softened
180g icing sugar
1 tsp vanilla paste
1 tbsp milk

Method:

• Preheat oven to 180°C (160°C fan) and line two baking trays with parchment.
• Cream butter and caster sugar until pale and fluffy.
• Beat in egg and vanilla extract until combined.
• Mix flour, oats, baking powder and salt; fold into wet mixture to form soft dough.
• Roll teaspoon-sized amounts into balls, place on trays and gently flatten.
• Bake 10–12 minutes until edges are lightly golden; cool completely.
• For filling, beat butter until smooth, gradually add icing sugar, then mix in vanilla paste and milk.
• Spread filling onto half the cookies and sandwich with the remaining ones.
• Chill 10–15 minutes to set before serving.