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.

For sauce made with canned tomatoes:, In a heavy-bottomed pan, heat the oil and add canned chopped tomatoes with their juices., Stir in the sugar, salt, red pepper flakes, and oregano and bring to high simmer., Cover partially and cook over medium heat for about 15-20 minutes; occasionally mash the tomatoes into the cooking juices., For sauce made with fresh tomatoes:, Place tomatoes in a large bowl and pour boiling water over them. Allow to stand until skins come off easily, about 10 minutes (plum tomatoes have thick skins)., Using same ingredients as above, cook tomatoes, cover the pot tightly and simmer for 45 minutes. Fresh tomatoes take longer to cook than canned ones., Occasionally, remove the lid and allow the condensation to drip back into the sauce., With a wooden spoon, mash the tomatoes.
olive oil, Italian plum tomatoes, sugar, salt, red pepper, oregano