Make this recipe a recipe that people in that category can eat. categories: ['dairy_free'], recipe: preheat oven to 350 degrees. grease a 9x13 glass pan. mix cake as directed on package, and pour batter into pan. top with rhubarb and lemon rind. sprinkle sugar over top of all. bake for 30-35 minutes. serve warm with a dollop of whipped cream and sprinkled with powdered sugar, (optional). number of servings is a guesstimate.

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.