340g packet vanilla cake mix (See Tip)
1 cup desiccated coconut, plus extra 2 tablespoons
125g unsalted butter, melted, cooled
2/3 cup lemon juice
395g can sweetened condensed milk
Grease an 18cm x 28cm rectangular slice pan. Line base and sides with baking paper, extending paper 5cm above pan edges.
Place cake mix in a large bowl. Add 1 cup coconut and butter. Stir until well combined. Press evenly over base of prepared pan.
Cook in a moderate oven (180C) for about 10 minutes, or until light golden. Remove. Cool for 10 minutes.
Stir juice into condensed milk in a bowl. Spread over base. Sprinkle with extra coconut.
Cook in same moderate oven for about 15 minutes, or until filling is set and lightly browned around edges. Remove. Cool. Refrigerate for about 3 hours or until cold.
Using baking paper, lift slice from pan. Cut into squares.