Rachel's Gourmet Yoghurt Tart - Eatin' mess

Ingredients

• 1 cup plain flour
• 100g unsalted butter, chilled, cubed
• 2 tbs icing sugar
• 1 egg yolk
• 1-2 tbs cold water
• 1 cup Rachel's Mango and Madagascan Vanilla yoghurt
• 2 eggs
• ¼ cup caster sugar
• 400mls passionfruit pulp, seeds removed
• 1 tbs lemon juice
• 1½ tsp gelatine powder (you may need more or less depending on the gelatine you are using)
• ¾ cup Rachel's Peaches and Vine Ripe Passionfruit yoghurt
• ½ cup sugar