Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  'Cake', '2 cups flour', '1/2 teaspoon baking powder', '3/4 teaspoon baking soda', '1/2 teaspoon salt', '1/2 cup butter, softened', '1 1/2 cups sugar', '2 eggs, unbeaten', '1 teaspoon vanilla extract', '1/4 cup buttermilk or 1/4 cup sour milk', '1 cup mashed banana', 'Frosting', '1 lb powdered sugar (10X)', '1/2 cup cocoa', '1/4 teaspoon salt', '1/2 cup butter, softened', '3 -4 tablespoons milk', '1 teaspoon vanilla extract',<sep> directions: 'Cream together butter, sugar, eggs and vanilla on high speed of electric mixer for 1 1/2 minutes.', 'Add buttermilk.', 'Mix together flour, baking powder, baking soda and salt.', 'Add flour mixture alternately with mashed banana.', 'Beat only enough to blend, about 2 minutes.', 'Pour battered into 2 greased and floured 9 inch round cake pans and bake in preheated 350 degree (Fahrenheit) oven for 30 to 35 minutes.', 'Cool cake then prepare frosting.', 'Mix together powdered sugar, cocoa and salt.', 'Add gradually to butter, beating with electric mixer, adding just enough milk so that mixture is not stiff (If you add too much it will get too thin when you continue beating).', 'After all ingredients are blended, mix on high speed of your mixer for 3 to 4 minutes, carefully adding small amounts of milk if too thick.', 'Fill and frost cooled layers.'

Banana Cake With Chocolate Frosting