Lemon and poppy seed loaf cake with cream cheese frosting

Method

1. Carefully pull the petals off the rose. Fill a bowl with sugar. Brush each petal with egg white, then bury under the sugar. Lift out, shake off the excess sugar and leave on a tray to dry for a few hours or until brittle (see video in tips).
2. Preheat the oven to 150°c/fan130°c/gas 2. Grease and line a 19cm x 12cm x 9cm deep loaf tin with baking paper. Put the butter into a bowl and beat with an electric hand whisk until creamy. Add the sugar and beat until it is almost white. Beat in the zest and eggs, 1 at a time, and a spoonful of flour with the second and last egg to prevent curdling. Sift over the rest of the flour and fold it in with the poppy seeds and the yogurt.
3. Spoon into the tin and bake for 1 hour 10 minutes or until a skewer inserted into the centre of the cake comes out clean. Cool for 10 minutes, then turn out and cool on a wire rack.
4. Beat the frosting ingredients in a bowl with a wooden spoon until fluffy. Spread thickly over the cake and scatter with the crystallised petals.