2. In a mixing bowl, whisk 6 eggs together and season with salt and pepper to taste.
3. Heat butter in a non-stick pan over medium heat. Stir-fry onion and garlic for 3 minutes. Add the tuna, broccoli, dill, and parsley; cook for another 3 minutes.
4. Transfer mixture in a baking dish that can fit inside your air fryer cooking basket, pour the beaten egg mixture. Sprinkle with cheddar cheese.