preheat oven or air fryer to 180 degrees and cook schnitzel according to instructions.
In a frypan over medium heat, add the onion and cook until translucent. Add in the mushrooms and zucchini and cook approx. 5 mins until softened. Add in the tomatoes and allow to soften.
Add in the pasta, pesto and baby spinach. Stir and cook until pasta has reheated.