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.
Q: 3 tbsp butter, 2 tbsp all purpose flour, 1/2 cup milk, 14 oz canned tuna, drained and flaked, 1/2 cup grated parmesan + 1/4 cup, 1 None lemon, zested, 2 lbs potatoes, peeled and cut into 1/4 inch slices, 7 oz chopped baby spinach leaves, 1 None onion, peeled and finely sliced
A:
butter, flour, milk, tuna, lemon, potatoes, baby spinach, onion