01 -
Preheat oven to 200°C. Line a baking tray with parchment paper.
02 -
Arrange pierogies in a single layer on the prepared tray. Mist evenly with olive oil cooking spray and sprinkle with Everything spice seasoning.
03 -
Bake for 20 minutes, turning the pierogies halfway through, until golden brown and puffed.
04 -
In a small bowl, mix Dijon mustard, sour cream, and chopped chives until well combined.
05 -
Transfer hot pierogies to a serving platter and present with the prepared dipping sauce.
06 -
Evenly coat pierogies with olive oil spray and toss with Everything spice. Place in air fryer basket. Cook at 200°C for 12–14 minutes, shaking halfway through, until crisp and heated through.