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.

Combine first 3 ingredients., Stir in 1-1/2 cups cheese., Spoon into 9-inch square baking dish sprayed with cooking spray., Whisk eggs and milk until blended; pour over tuna mixture., Refrigerate 30 min., Heat oven to 375F., Bake casserole (uncovered) 1 hour or until center is set., Top with remaining cheese; bake 5 min., or until melted.
tuna, frozen peas, STOVE, Cheddar Cheese, eggs, milk