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.
One example: 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 is here: flour, ground blanched almonds, lemon zest, confectioners sugar, butter, eggs, sugar, flour, baking powder, lemon zest, lemon juice, Candied violets
Explanation: 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.

Now, solve this: 4 tablespoons extra-virgin olive oil, 2 sweet onions (such as Vidalia), finely chopped, plus more for topping, 2 pounds ground beef chuck, Kosher salt and freshly ground black pepper, 4 cloves garlic, minced, 1 15 -ounce can tomato sauce, 2 medium tomatoes, diced, 1/4 cup apple cider vinegar, 1/4 cup chili powder, 2 tablespoons paprika, 1 tablespoon ground cinnamon, 2 teaspoons ground cumin, 1/2 teaspoon ground allspice, 1/4 teaspoon ground cloves, 1/4 teaspoon cayenne pepper, 1 pound spaghetti, cooked, Pinto beans and grated cheddar cheese, for topping, Oyster crackers, for serving (optional)
Solution:
extra-virgin olive oil, sweet onions, ground beef chuck, Kosher salt, garlic, tomato sauce, tomatoes, apple cider vinegar, chili powder, paprika, ground cinnamon, ground cumin, ground allspice, ground cloves, cayenne pepper, Pinto beans, Oyster crackers