Peach Cobbler

Ingredients

• 700 g canned peach slices (in juice), drained (reserve 75 ml juice)
• 60 g caster sugar
• 10 g light brown sugar
• 1 tsp lemon juice
• ½ tsp ground cinnamon
• ¼ tsp ground nutmeg
• ½ tsp ground ginger
• 10 g cornflour
• 120 g plain flour
• 8 g baking powder (about 2 tsp)
• Pinch of salt
• 40 g light brown sugar
• 40 g unsalted butter or spread
• 120 ml natural yoghurt
• 1 small egg, beaten (for brushing)