Rhubarb Pie
["2 c. cut up rhubarb", "1 c. crushed pineapple", "3/4 c. sugar", "pinch of salt", "2 Tbsp. cornstarch", "1 tsp. lemon juice", "1 Tbsp. margarine"]
["Add cornstarch and sugar together in a large saucepan.", "Mix in 1 cup water.", "Cook over low flame until thick.", "Add lemon juice and margarine, then add pineapple and rhubarb.", "Put in 10-inch deep crust and cover with top crust.", "Make a slit in center for steam to escape.", "Bake until golden brown at 350\u00b0."]
["rhubarb", "pineapple", "sugar", "salt", "cornstarch", "lemon juice", "margarine"]