1 large orange, zest only
300²µ/10½´Ç³ú raspberries
125²µ/4½´Ç³ú caster sugar
1–2 tbsp demerara sugar
butter, for greasing and buttering the brioche
400ml/14oz double cream
4 free-range eggs
400ml/14oz milk
10–12 slices square brioche loaf