Air Fryer Green Bean Casserole
Ready in about 29 minutes.
Updated 7 September 2026
The classic holiday side of tender green beans in creamy mushroom sauce, topped with crunchy fried onions. The air fryer crisps the topping to golden perfection in a compact dish.
Ingredients
- 500 g green beans, trimmed
- 300 g condensed cream of mushroom soup
- 100 ml milk
- 1 tsp soy sauce
- 80 g crispy fried onions
- Salt and pepper
Method
- 1Blanch the green beans for 3 minutes, then drain.
- 2Mix the soup, milk, soy sauce, salt and pepper.
- 3Fold the beans through the sauce and tip into an oven-safe dish that fits your basket.
- 4Preheat the air fryer to 180°C/360°F.
- 5Air fry for 8 minutes, then scatter over the fried onions.
- 6Cook a further 4-7 minutes until bubbling and the onions are golden and crisp.
Tips for the best results
- Add the onions late so they stay crunchy, not soggy.
- Fresh sliced mushrooms stirred in add extra depth.
Frequently Asked Questions
What temperature and time for air fryer green bean casserole?+
Cook at 180°C / 360°F for 12-15 min.