Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '5 pounds russet potatoes, peeled, cut into 1 1/2-inch cubes', '8 tablespoons (1 stick) butter', '2/3 cup (or more) whole milk', '1 1/2 pounds crimini mushrooms, thinly sliced', '1/2 cup chopped shallots', '2 tablespoons chopped fresh chives',<sep> directions: 'Cook potatoes in large pot of boiling salted water until tender, about 25 minutes.', 'Drain potatoes.', 'Return to same pot.', 'Stir over medium heat until excess moisture evaporates, about 1 minute; remove from heat.', 'Add 5 tablespoons butter to potatoes; mash well.', 'Add 2/3 cup milk and mix, adding more milk by tablespoonfuls to reach desired consistency.', 'Season potatoes to taste with salt and pepper.', 'Melt 3 tablespoons butter in large skillet over medium-high heat.', 'Add half of mushrooms; saute until beginning to soften, about 3 minutes.', 'Add remaining mushrooms and shallots.', 'Saute until juices evaporate and mushrooms brown, about 12 minutes; season with salt and pepper.', '(Potatoes and mushrooms can be prepared 2 hours ahead.', 'Let stand separately at room temperature.', 'Rewarm separately over medium heat before continuing.)', 'Mix 2/3 of mushrooms into potatoes.', 'Mound in bowl.', 'Top with remaining mushrooms; sprinkle with chives.'

Mashed Potatoes with Crimini Mushrooms