In an air-fryer-safe pan over medium-high heat, heat the olive oil and melted butter.
Add the spring onions and cubed eggplant, stirring to coat.
Sauté for 5 minutes until the eggplant begins to soften.
Pour the whisked eggs and lime juice into the pan, stirring until everything is well combined.
Top the mixture evenly with shredded mozzarella cheese. Carefully place the pan into the air fryer basket.
Air fry at 380°F / 193°C for 10 minutes, or until the eggs are set and the cheese is golden and bubbly.
Serve immediately.
Grate your own mozzarella! Pre-shredded cheese has anti-caking agents that prevent a smooth, creamy melt. A fresh block makes all the difference.