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.

Preheat oven to 450., In large bowl with fork or spoon, mix flour, baking powder and salt until well blended., Add milk and salad oil all at once; stir until dough forms a ball., With hand, knead dough in bowl 10 times or until smooth.
flour, baking powder, salt, milk, salad oil