First, give your potatoes a good scrub. You can peel them if you like, but you don't have to. Once they're clean, pat them dry with a paper towel. This small step helps with crispiness!

Now, slice the potatoes into rounds. Aim for about 1/4 inch thick. You want them thick enough to have a tender center but thin enough to get nice and crispy. Try to keep the slices as uniform as possible so they cook evenly.

Toss the sliced potatoes into a medium bowl. Drizzle the olive oil over them. Sprinkle the garlic granules, dried mixed herbs, and salt over the top. Toss everything together until all the potato slices are nicely coated in the oil and seasonings.

Preheat your air fryer according to your model's instructions, usually around 380-400°F (190-200°C). Arrange the seasoned potato slices in a single layer in the air fryer basket. This is key! Don't overcrowd the basket, or they will steam instead of crisp. You'll likely need to work in batches.

Air fry for 15-20 minutes, flipping or shaking the basket halfway through. Keep an eye on them towards the end, as air fryers can vary. They're done when they're golden brown and wonderfully crispy on the edges and tender when pierced with a fork.

Carefully remove the hot potato slices from the air fryer. You can give them another little sprinkle of salt if you like. Serve them immediately as a side dish or snack! Prepare for them to disappear fast.