Make this recipe a recipe that people in that category can eat. categories: ['gluten_free'], recipe: preheat oven to 450°f. combine sugar, flour and egg;add to rhubarb. prepare pastry and line a 9" pie plate, reserving some for top crust. add rhubarb mixture and cover with top crust;seal and flute edges. make slits in top crust to allow steam to escape. if desired, make a lattice top with top crust. bake in oven for 10 minutes; reduce temperature to 350f and continue baking 40 to 50 minutes longer or until rhubarb is cooked and pastry is a golden brown.

Target recipe: heat oven to 200°c. prepare a rectangular baking tray by greasing with a fine layer of butter, or place baking paper on an ordinary baking tray. carefully mix the eggs and sugar together. add the milk, cream and melted butter and combine. in a small bowl, mix the baking powder and both measures of the flour together. add this mixture to the liquid, mixing it only just enough to achieve an even consistency. spread the dough on the prepared baking tray. scatter the rhubarb pieces evenly over the dough. rub the butter into the sugar and flour to form a crumbly consistency and sprinkle on top of the pie. place the tray in the oven and bake for 25-30 minutes. serve with whipped cream or vanilla sauce.