Given the task definition and input, reply with output. 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.

(Gallon cans of Tomatoes are available at small restaurant supplys that are "wholesale, open to the public" They will cost a lot less than retail.) Place Tomatoes in pot set on high., Heat a large pan over med-high heat, add Oil., Saute (stir fry) Onions for 5 min., Add Garlic, Celery, Carrots, and Bay leaves saute for another 5-10 min. 'til tender. Add to pot., Salt and Pepper 'til it's almost "right", stir well, cover., Reduce heat to low and cook for 5-6 hours., Remove Bay leaves and adjust seasoning., If it is too acidic add Butter, 1 TBS at a time, stir well and retaste., Continue to add, stir, and taste'til it's to your liking. This is much better than adding sugar!, Ladle a blender 3/4 full, Process 'til smooth., Pour into a large bowl and continue with remaining sauce., This sauce will be about the consistency of store bought., If you wish it thicker, return to pot and cook on low, uncovered, stirring frequintly to keep the surface from turning dark., When satisfied allow to cool completely, ladle 2 cup servings into plastic freezer bags., Frozen it will keep up to 6 months. (I don't know if this is true, I've never kept any that long.).
roma tomato, olive oil, onions, garlic, stalks celery, baby carrots, kosher salt, fresh ground black pepper, bay leaves, unsalted butter