Name: Rhubarb Crumble
Cook time: 55 min
Yield: 4
Ingredients: 500 g Rhubarb, cut into thumb sized pieces; 130 g Golden caster sugar; 1 Vanilla pod Seeds scraped out but using the pod too; 1 Lemon, zest only; 50 ml Water; 100 g Plain flour; 1 tsp Ginger ground; 1/2 tsp Sea salt mill adjustable; 110 g Unsalted Butter, Cold and cubed; 60 g Rolled jumbo oats; 50 g Golden caster sugar; 15 g Demerara sugar; Double cream (optional); Custard (optional)