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: preheat oven to 350°f. grease a 9x9-inch baking pan and set aside. mix together rhubarb and sugar; set aside. mix remaining ingredients in bowl and add rhubarb mixture. pour into greased pan. bake for 30 minutes. check with toothpick for doneness. serve hot or cold with cream, whipped cream, or ice cream as desired.