Select preset program of Preheat to preheat the air fryer.
Combine sausage, tomato sauce, rice, beans, corn and Southwest seasoning in a large bowl. Season with salt and pepper, to taste.
Spoon sausage mixture into each pepper.
Place stuffed peppers into the air fryer.
Set temperature to 375°F/190°C and time to 10 minutes, then press Start/Stop to cook until peppers are tender.
Sprinkle cheese over peppers and set temperature to 375°F/190°C and cook for 1 to 2 minutes, until cheese is melted.
Garnish with avocado, jalapeño and cilantro.
Tip: Serve with sour cream and extra shredded cheese.