1. Mix the egg and sugar
2. Add the oil, vanilla extract and yoghurt and beat
3. Add the flour, baking soda and pinch of salt; add the flour a small amount at a time. Beat.
4. Mix in the white chocolate
5. Pour into a loaf tin; add your fresh raspberries into the batter randomly
6. Bake for ~50 mins or until a toothpick comes out clean when inserted
7. Once cooled, melt the 50 g of white chocolate and drizzle over your loaf