Steps
1. Cook spaghetti and rigatoni in boiling salted water until al dente, drain and set aside.
2. In a bowl, whisk together flour, cornstarch, ground oats, milk, water, egg, mustard, curry powder, salt, and pepper to create a smooth batter.
3. In a skillet, heat oil and butter over medium heat. Sauté onion, carrot, tomato, chili, and chopped sardines until soft.
4. Add tomato paste, condensed chicken soup, and Brussels sprouts to the skillet. Stir well and cook for 3 minutes.
5. Combine the cooked pasta with the sautéed mixture and pour the batter over it, mixing gently.
6. Transfer the mixture to an air fryer-safe dish or skillet suitable for the air fryer.
7. Top with the slice of cheese.
8. Cook in the air fryer at 180°C (356°F) for 15-20 minutes until the top is golden and the batter is set.
9. Remove and let rest for 5 minutes.
10. Drizzle ketchup, barbecue sauce, and hot sauce blend on top before serving.