For a healthier twist on grilled cheese, try this Thermomix recipe with spinach and feta. Start by wilting fresh spinach in the Thermomix until it's wilted and tender. Then, assemble your sandwich with crumbled feta cheese and the wilted spinach. Cook it in the air fryer until the cheese is melted and the bread is crispy. The combination of the tangy feta and the earthy spinach creates a flavorful and nutritious grilled cheese.