Here is the recipe for the yummy biscuits (picture below):

500g plain flour
1/2 teaspoon baking powder
250 g sugar
1 egg
2 tablespoons cocoa
2 teaspoons cinnamon
280 g butter
6 Tablespooms Red Wine

Knead very well, wrap in clingfilm, rest for one hour in fridge, roll out, use you biscuit cutters and bake at 180 degrees Celsius for 10 minutes on baking sheet with greaseproof paper. Cool on a rack! Enjoy! :-)