Chocolate drops

1/4 lb English butter
2 oz castor sugar
1/2 tsp vanilla essence
8.5 oz plain flour
½ oz cocoa powder

Cream butter and sugar an essence until light and fluffy
Stir in flour sifted with cocoa.
Drop 18-20 tsp of mix well apart on o a buttered baking tray. Bake just above centre of oven (fairly hot)
Gas mark 5 for 17 mins