Make this recipe a recipe that people in that category can eat. categories: ['dairy_free'], recipe: place chopped rhubarb in colander. pour boiling water over rhubarb and drain well. mix together sugar, flour, and quick cooking tapioca. add rhubarb and toss to coat. let stand 15 minutes. beat egg in cold water and add to rhubarb mixture. pour into 9" unbaked pie shell and top with small pieces of the 1 t of butter. put on top crust and sprinkle with sugar, if desired. bake at 400 degrees for 15 minutes, then turn oven down to 350 degrees and bake for 40-50 minutes longer or until golden brown.

Target 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.