Here's the recipe:
Makes 2 dozen doubles
9 oz butter
3 oz custard powder
9 oz plain flour
3 oz icing sugar
Cream butter and sugar
Add flour and custard powder and mix well.
Roll into balls and press with a fork.
Bake 375° for about 10 min.
Stick together with vanilla butter icing
P.S. I've given Imperial measurements, 'cause I reckon most of you Aussies have a good yo-yo recipe of your own...If you want the Metric equivalents, just yell!
Can you see why they're called yo-yos? Do let me know if you make them...