Ok so these don't look very pretty but what they lack in looks they make up for in flavour. Yo yo's are often confused for Melting Moments here in NZ. From my understanding, (and I might be wrong here), is that Yo yo's have custard powder in them and Melting Moments have cornflour. Either which way they are delicious melt-in-the-mouth biscuits joined with a yummy buttercream filling which in this case is lemon flavoured. I made sure to bake them until they were crispy so for the full 15 minutes which, in my opinion, was perfect. I made these quite small as once you get the filling in the middle and join two biscuits together, you get quite enough. There are loads of recipes around for these biscuits and all are pretty much the same sort of thing. However I used this NZ herald recipe.
Lemon Yo yo's
170g butter, softened
1/4 c icing sugar
1 tsp vanilla extract
1 1/2 c plain flour
1/4 c custard powder
50g butter, softened
1/2 c icing sugar
2 Tbs custard powder
2 tsp finely grated lemon zest
Preheat the oven to 180C. Line an oven tray with baking paper.
Cream the butter, icing sugar and vanilla together until pale. Sift the flour and custard powder together then gently mix into the creamed mixture.
Roll teaspoonfuls of the mixture into balls, flatten slightly then place on the tray. Bake for approximately 15 minutes or until lightly golden. Remove to a rack to cool completely.
To make the filling beat all the ingredients together until smooth then use to sandwich the biscuits together. Dust with icing sugar before serving if you want to pretty them up.