Firstly, slice thin cuts (most of the way through) all the way across the potato. A tip to stop you slicing too far is by placing each potato on a wooden spoon and slicing downwards as the spoon stops you going too far.
In a bowl add the finely chopped rosemary and thyme along with the garlic powder, onion powder and salt and mix together.
Place the sliced potatoes into a large bowl/plate and drizzle over the oil and top with a generous pinch of the herb salt before gently massaging to try and get some of the oil and herb salt into the slits.
Place in the air fryer basket with a little space between each and air fry at 195°C (380°F) for 40 minutes.
Video
Notes
Step-by-Step Photos: My blog post includes helpful step-by-step photos to help guide you through making this recipe.Substitutions & Variations: I have included a list of these in the post above.To Store: Store in an airtight container in the fridge for 3-4 days. Reheat in the microwave or air fryer.To Freeze: Store in an airtight container in the freezer for up to three months. Defrost in the fridge and then reheat in the microwave or air fryer.Tip 1: Air Fryers can vary in cooking time. Larger potatoes will also need more time to cook, whereas small potatoes would take less. Check the doneness of the potatoes, especially the first time.Tip 2: These could also be cooked on a baking sheet in the oven if you don't have an air fryer. Here is my recipe for delicious Hasselback potatoes in the oven.Tip 3: Make sure your potatoes are similar in size so they cook evenly during the cooking process.