Nursery wheels (aka pinwheel biscuits, whirlygig biscuits)

 Ingredients:

6 oz plain flour

1/2 teaspoon baking powder

pinch of salt

3 oz butter

3 oz sugar

vanilla essence (a few drops)

milk (a little)

2-3 teaspoons cocoa powder

Method: 

• Cream butter and sugar 
• Add flour, baking powder, salt, vanilla essence and enough milk to mix to a stiff paste.
• Divide mixture in half
• Blend cocoa powder thoroughly into one half of the mixture
• Roll out each mixture thinly to the same size and shape (a longish rectangle)
• Place the chocolate piece on top of the plain one and roll up tightly (rolling from the longer side)
• Leave the roll 1/2 hour in a cool place
• Cut into slices 1/4 inch thick
• Place slices on a greased baking tray and bake in a moderate oven for 15-20 mins
• Dust with caster sugar (optional) and cool on a wire rack.