1 ¾ cups (430ml) single cream
3 eggs
1/3 cup (75g) caster sugar
2 tsp vanilla extract
1/2 cup (140g) Greek-style yoghurt (plus extra to serve)
1 teaspoon, finely grated lemon rind
400g sliced brioche loaf
100g unsalted butter, chopped & softened
125g raspberries
125g blueberries
1 tbsp raw sugar