Grapefruit and Ginger Meringue Pie | Great British Baking… | PBS Food

Ingredients

• 250g (9 oz) plain flour, plus extra for dusting
• 65g (2⅓ oz) icing sugar
• ½ tsp salt
• 3 tsp ground ginger
• ½ tsp ground cinnamon
• 125g (4½ oz) butter, chilled and cubed
• 2 large free-range egg yolks
• 1 small free-range egg, beaten
• 2 pink grapefruit, juice and zest only
• 3 white grapefruit, juice and zest
• 1 red grapefruit, juice and zest
• 70g (2½ oz) fresh root ginger, peeled and sliced
• 5 large free-range egg yolks
• 3 large free-range eggs
• 60g (2¼ oz) caster sugar
• 2 tbsp cornflour
• pinch salt
• 70g (2½ oz) unsalted butter, cubed
• 300g (10½ oz) caster sugar
• 2 tsp lemon juice
• 140g (5 oz) egg whites, at room temperature