| 2 teaspoons olive oil,
divided |
| 1/2 cups celery,
chopped |
2 garlic cloves, minced |
| 1/2 teaspoon oregano,
dried |
1 tablespoon Parmesan cheese |
| 1 tablespoon flat-leaf parsley,
chopped, fresh |
| 1/2 cup sweet red peppers, chopped |
| 1/2 cup onions, chopped |
| 8 egg whites |
| 1/8 teaspoon black pepper, ground |