Mars Bar Traybake

Method

• step 1

  Lightly grease a 15cm (6in) shallow square tin.

• step 2

  Cut the Mars bars into thin slices and put in pan with 75g of butter. Leave on low heat until melted, then beat till smooth.

• step 3

  Stir in the rice crispies. Chill for an hour, (till set).

• step 4

  Next put the chocolate and butter in a bowl and melt over hot water on a low heat and spread ontop.