Step 1

Heat oven to 170 degC.

Step 2

Line a 17 x 27cm slice tin with nonstick baking paper with an overhang on all sides.

Step 3

Place softened butter, sugar and vanilla in a bowl and beat with an electric mixer until pale and creamy.

Step 4

Beat in egg then stir in flours, ground almonds and baking powder. Spread mixture evenly into the base of prepared tin. Spread jam over base mixture.

Step 5

Prepare the topping in another bowl, beat egg whites only until soft peaks hold their shape.

Step 6

Beat in sugar just to combine, then stir in desiccated coconut. Spread topping over the jam.

Step 7

Bake for 35 minutes. Remove to cool in the tin, then holding baking paper by the edges, lift slice from baking tin. Slice into bars to serve.