Definition: In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.
Input: Add egg yolks to a small saucepan; whisk until lemon yellow and slightly thick, about 1 minute. Whisk in lemon juice., Add 2 tablespoons cold butter, and place over very low heat. Whisk constantly while butter is melting, and continue whisking until thick enough to see the pan between strokes. Remove pan from heat, and beat in 1 tablespoon cold butter. Repeat. Whisk in melted butter a little bit at a time. Season with salt and white pepper to taste.
Output:
egg yolks, lemon juice, unsalted butter, unsalted butter, salt, ground white pepper