In this task, you have to generate the title of the recipe given its required ingredients and directions.

ingredients: '3 c. rhubarb, chopped', '1 1/2 c. sugar', '3 Tbsp. tapioca', '1 egg', '1 c. sour cream',<sep> directions: 'Beat egg.', 'Add sugar, tapioca and sour cream.', 'Add rhubarb and pour into unbaked pie shell.', 'Bake at 375 for 1 hour.'
Rhubarb And Sour Cream Pie