Grandma Mcmillen'S Orange Sauce
["1 can frozen orange juice", "1 c. sugar", "2 Tbsp. cornstarch", "1/2 tsp. salt", "1 c. boiling water", "1 Tbsp. butter", "1 Tbsp. orange rind", "1 can mandarin oranges"]
["Combine the orange juice, sugar, cornstarch, salt and water in a saucepan.", "Bring to a boil and boil for 1 minute.", "Add butter and orange rind and let cool.", "Mix in 1 can mandarin oranges and drizzle over angle food cake."]
["orange juice", "sugar", "cornstarch", "salt", "boiling water", "butter", "orange rind", "mandarin oranges"]