You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
In this task, you have to generate the named entities (NER) given its ingredients of the recipe. Named entities are the names of the items without their quantity.

1 3/4 cups all purpose flour, 1/4 cup finely ground blanched almonds, 1 teaspoon grated lemon zest, 1/2 cup confectioners sugar, 2 sticks unsalted butter, almost melted, 4 eggs, lightly beaten, 2 cups granulated sugar, 1/4 cup flour, 1/2 teaspoon baking powder, 2 teaspoons grated lemon zest, 1/3 cup fresh lemon juice, Candied violets for garnish, optional
Solution: flour, ground blanched almonds, lemon zest, confectioners sugar, butter, eggs, sugar, flour, baking powder, lemon zest, lemon juice, Candied violets
Why? Given the required ingredients, the ner of the recipe is generated. As the ingredients contain the quantities, if we just remove quantities from ingredients, we get the ner.

New input: 1/2 cup oil, 1/2 cup all-purpose flour, plus extra flour, optional, 1 cup chopped yellow onion, 1/2 cup chopped green bell pepper, 1 cup chopped celery, 3 cloves garlic, finely minced, 1/2 teaspoon black pepper, 1/2 teaspoon white pepper, 1/2 teaspoon cayenne pepper, more if desired, 1 teaspoon Cajun seasoning, 1/2 cup minced green onions, plus extra for garnish, 1/2 cup minced fresh parsley leaves, 2 to 3 dashes hot sauce (recommended: Tabasco), 1 (8-ounce) can clam juice, 1 (14.5-ounce) can diced tomatoes (recommended: Ro'tel), Salt (Cajun seasoning has salt already), 2 pounds small or medium shrimp peeled and deveined (recommended: (31/35 size count), 1/2 stick butter, Rice, optional, Diced green onions, for garnish
Solution:
oil, all-purpose flour, yellow onion, green bell pepper, celery, garlic, black pepper, white pepper, cayenne pepper, Cajun seasoning, green onions, parsley, hot sauce, clam juice, tomatoes, Salt, shrimp, butter, Rice, green onions