1/2cupsmoked mozzarella or freshly grated parmesan cheese
Select SAUTE and press START, then add the oil when pot is hot. Add leek, onion, carrot, celery and garlic, sprinkle with salt and pepper. Cook, stirring occasionally, until vegetables are soft, 5 to 10 minutes.
Drain the beans and rinse. Add the beans to the pot along with tomatoes, stock, thyme and rosemary. Press CANCEL.
Secure the lid for pressure cooking*, select PRESSURE COOK on HIGH, set time for 12 minutes, then press START.
When program has finished, press CANCEL, Quick Release the pressure and scoop out and discard the herbs.
Stir in kale or swiss chard. Taste and adjust seasoning.
Lay bread slices on top of the stew so they cover the top.
Scatter red onion slices over the top and sprinkle with cheese.
Cover with the Air Fryer Lid, select BROIL, set temperature to 400°F, set time for 7 minutes, press START. Cook until cheese is melted and golden brown.