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 400 degrees F. Warm oil over medium heat in an oven-safe nonstick 10-inch skillet until hot (if skillet is not oven-safe, wrap handle in a double layer of foil)., Meanwhile, in medium bowl, beat eggs, feta, parsley, milk, rosemary and pepper with a wire whisk until blended., Pour egg mixture into skillet; do not stir., Cook until egg mixture begins to set around edges, 3 to 4 minutes., Place skillet in oven; bake until frittata is set, 13 to 15 minutes., Cut into wedges to serve.
olive oil, eggs, feta cheese, parsley, milk, rosemary, Black pepper