Lemon Meringue Pie

Pastry

• 3 ½ oz sugar
• 1 oz almonds
• 7 oz unsalted butter, cut into pieces, plus extra to grease
• 12 oz all-purpose flour
• 1 large egg
• 1 pinch salt
• 1 ½ tsp homemade vanilla sugar
  hoặc 1 tsp natural vanilla extract
• 3 - 5 lemons, preferably organic, zest (1 lemon) and (4.5 oz) juice

Lemon Filling

• 5 ½ oz sugar
• 1 large egg
• 4 egg yolks, from large eggs
• 3 ½ oz unsalted butter, cut into pieces

Meringue Topping

• 5 ½ oz sugar
• 4 egg whites, from large eggs
• 1 pinch salt