Rhubarb & custard pie with butter crumble - Good Food Middle East

Ingredients

• 350g rhubarb
• 100g golden caster sugar
• 350g sweet shortcrust pastry
• 1 large egg and 1 egg yolk
• 1 tsp vanilla extract
• 1 tbsp plain flour
• 284ml carton single cream
• 50g butter, melted
• 50g demerara sugar
• 50g porridge oats
• ½ tsp ground ginger