Q: 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.
2 tablespoons butter, 12 large yellow onions, sliced very thin, 1 teaspoon salt, plus more to taste, 1/2 teaspoon black pepper, plus more to taste, 2 plum tomatoes, canned, seeds removed, 8 cups strong beef broth, 4 branches fresh thyme, 1 bay leaf, Croutons and grated Gruyere cheese for garnish
A:
butter, yellow onions, salt, black pepper, tomatoes, beef broth, thyme, bay leaf, Croutons