Rhubarb-Cherry Pie
["2 c. rhubarb, sliced", "1 (21 oz.) can cherry pie filling", "3/4 c. sugar", "2 1/2 Tbsp. quick cooking tapioca", "pastry (for two crust lattice top pie)"]
["Mix sliced rhubarb, cherry pie filling, sugar and tapioca. Let stand 15 minutes.", "Line a 9-inch pie plate with pastry.", "Fill with rhubarb filling.", "Lattice top of pie.", "Bake at 400\u00b0 for 40 to 45 minutes."]
["rhubarb", "cherry pie filling", "sugar", "tapioca", "pastry"]