Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '4 cups picked over blueberries', '1 cup sugar', 'the zest of 1 navel orange, removed in strips with a vegetable peeler', '2 tablespoons Grand Marnier, or other orange-flavored liqueur', '3 tablespoons fresh lemon juice', '1/2 teaspoon vanilla', '1/8 teaspoon salt', '2 cups heavy cream', '1 cup half-and-half',<sep> directions: 'In a large saucepan combine the blueberries, the sugar, the zest, and 1/4 cup water, boil the mixture, covered, for 5 minutes, stirring occasionally, and simmer it, uncovered, for 5 minutes.', 'Discard the zest and puree the mixture in batches in a blender or food processor.', 'Transfer the puree to a bowl and whisk in the Grand Marnier, the lemon juice, the vanilla, the salt, the heavy cream, and the half-and-half.', 'Force the mixture through a very fine sieve set over another bowl and chill it, covered, for 1 hour, or until it is cold.', 'Freeze the mixture in an ice-cream freezer according to the manufacturer's instructions.'

Blueberry Ice Cream