90 g butter
3 C puffed rice
Topping:
200 g milk chocolate, chopped
30 g butter
Grease a 19 cm x 29 cm lamington pan, line base and sides with paper, grease paper as well.
Combine Mars Bars and butter in large saucepan, stir constantly over large heat without boiling until mixture is smooth - use a whisk if you need to. Stir in puffed rice. Press mixture evenly into prepared pan. Spread with topping. Refrigerate until set before cutting.
Topping: Melt chocolate and butter in pan over hot water; stir until smooth.
Keeping time: 1 week
Source: Australia Women's Weekly Home Library - Cakes and Slices