Preheat your air fryer to 400°F (200°C).
Wash and cut the sweet potatoes into your preferred shape, leaving the skins on.
2 medium sweet potatoes
Toss in olive oil, salt, and pepper.
1 –2 tablespoons olive oil, Salt and black pepper
Air fry for 22–25 minutes, shaking the basket halfway through, until golden and crisp on the outside.
Serve hot for crispy texture, or cool completely and store for up to 3 days in the fridge.
For the leftover soup: Add the roasted sweet potatoes, milk, ginger, onion, and seasoning to a blender. Add 5-minute sauce and lemon juice if using. Blend until smooth. Warm in a pot or enjoy cold.
1 cup roasted sweet potatoes, ½ red onion, A few slices of fresh ginger, 1 cup milk, Sea salt and black pepper, 1 –2 tablespoons 5 minute sauce, Squeeze of lemon juice