Step 1

Grease a 20cm x 30cm lamington pan. Line the base and two long sides with baking paper, extending paper 2 cm over edges of pan for ease of removing.

Step 2

Combine butter and chopped chocolate in a pan. Stir over low heat until completely melted.

Step 3

Place flour, sugar, condensed milk, coconut and chocolate mixture in a bowl. Mix well.

Step 4

Spread the mixture into prepared pan.

Step 5

Arrange Rolos over top and press completely into slice mixture. Cook at 180C for 25 minutes, or until lightly browned. Do not overcook. Cool slice in pan before removing.

Step 6

Cut into small square and dust with sifted cocoa or icing sugar if you prefer.