Melt 200g of white chocolate for the heart moulds in the microwave in 30 seconds increment stirring each time
Add in 1 tsp of rapeseed or flavourless oil and mix well then add in the colouring using a toothpick a little at a time, till you get the colour you're looking forImportant: 1/2 tsp oil per 100g of chocolate Using a spoon and a small palette knife and coat the moulds well and chill the fridge till fully set
Crumble up the cake using your hands or a fork until you have crumbs and mix with the frosting a tbsp at a time until well combined and can be moulded, almost a play-doh consistency
Place 1/2 a tbsp of the cake mixture into the mould and press down then place about 1 tsp of jam inside, then take 1/2 tbsp of the cake mix and press into a circle and place on top of the mould and press until fully sealed and filled and chill for at least 30 mins
With 100g of white chocolate, colour the chocolate in the same way we did before and place a tsp of chocolate on each mould to coat and cover the back and chill in the fridge until set
Take out of the moulds and trim the edges with a paring knife if needed and place on to a cooling rack
Melt another 50g of white chocolate and using the same method dye the chocolate light purple
Drizzle the purple chocolate onto one half of the heart and then place on some sprinkles, place in the fridge to set the sprinkles and the cakes are ready