• Grease and line a square 8" x 8" dish
• Break the chocolate into squares, then along with 40g of the butter, melt in a bowl placed over a pan of boiling water, stirring until smooth
• Pour the melted chocolate into your prepared dish and chill in the refrigerator until set
• In a medium sized bowl, combine the icing sugar, the remaining 20g butter, milk, peppermint essence and food colouring, mix until smooth
• Spread over the chilled chocolate and refrigerate until firm
• If you like more chocolate you can melt a few more squares and simply drizzle over the top then leave to set, this is optional!
• Cut into squares

If you like after eights you will love these peppermint slices, some people call them chocolate mint creams.  Store, covered in a refrigerator, if they last long enough!