Step 1

Select Sauté, Normal/Medium on the Instant Pot and set the time to 15 Minutes .

Step 2

Add a little oil to the pot, then add the onions and cook until sticky and jammy.

Step 3

While the onions cook, trim the top quarter off the garlic bulb to reveal the cloves. Drizzle the garlic in oil, then wrap it in tinfoil.

Step 4

Select Air Fry on your air fryer and set the temperature to 200°C / 390°F and time to 15 Minutes and place the garlic inside. Once soft and cooked through remove the garlic from the air fryer and set aside until needed.

Step 5

When the onions are cooked, remove them from the pot and wipe down the inner pot.

Step 6

Reselect Sauté, Normal/Medium on the Instant pot and set the time to 20 Minutes. Add some oil, the carrots and celery and sauté until starting to soften.

Step 7

While the carrots and celery cook, toss the mushrooms in a little oil, then place them in the air fryer. Select Air Fry , set the temperature to 205°C / 400°F and the time to 8 Minutes . Check the mushrooms from 4 minutes and remove once crispy.

Step 8

When the mushrooms are crisped add them to the vegetables in the inner pot, along with the caramelized onions. Add in the lentils, bay leaves, tomato paste and squeeze out the roasted garlic from its skin. Discard the garlic skin, and cook the vegetable ragu for a couple minutes, stirring regularly.

Step 9

Add the marsala wine and cook for a further 3-5 Minutes until it has reduced, and the alcohol has cooked off.

Step 10

Pour the vegetable stock into the inner pot and stir through the vegetables.

Step 11

Select Air Fry , set the temperature to 190°C / 375°F and the time to 25 Minutes . When prompted place the hot pot dish inside.

Step 12

When prompted to turn food, check the crispiness of the hot pot. Continue cooking, checking every few minutes until the potatoes are golden and crisp, and cooked through.

Step 13

Serve immediately alongside your favourite side dishes.

Step 14

In a small bowl, mix the cornflour and water together, then add the cornflour slurry to the vegetables and continue sauteing until thickened.

Step 15

Season the mushroom lentil ragu with salt and pepper to taste, then remove and discard the bay leaves.

Step 16

Spoon the ragu into a pie dish big enough to fit into the base of your air fryer, then layer the thinly sliced potatoes on top of the ragu. Brush the slices of potatoes with melted vegan butter. Sprinkle the potatoes with a pinch of salt.