Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '1  avocado, halved, peeled, pitted, sliced', '1/2  lemon, juiced', '2 tbsp mixed fresh herbs, such as chives, basil and oregano, chopped', '3.5 oz ricotta cheese', '12 slices multigrain bread', '5.25 oz baby arugula', '4 slices prosciutto', '2  tomatoes, sliced',<sep> directions: 'Toss avocado with lemon juice, herbs and black pepper.', 'Spread ricotta over 4 slices of bread. Top with arugula and prosciutto. Add another slice of bread. Arrange avocado and tomato slices on top. Finish with remaining bread. Cut in half diagonally.'

Double-Decker Sandwiches