
Breadcrumb topping:
Preheat the oven to 400°F or 200°C and lightly grease a 9x13-inch (about 23×33 cm) baking dish.
Set aside.
To make the breadcrumb topping just mix the breadcrumbs and melted vegan butter in a small bowl until well combined. Set aside.
Transfer the drained pasta to the prepared casserole dish, and pour in the vegan cheese. Stir until well combined.