Peel the onions and slice finely. Chop the garlic finely. Peel and slice the carrot.
Heat the olive oil and fry the onion , garlic, bay leaf and carrot.
Wash the spinach thoroughly. Mix the cashew nuts, water, milk, nutritional yeast and spinach in a pan. Bring to a boil and simmer for about 10 minutes at low heat. Season with salt and pepper. Blitz in a mixer and return to the pan. In the meantime cook the macaroni in salt water until al dente, pour in the sauce and serve in a gratin dish
Sprinkle the yeast and breadcrumbs on the surface and grill in the oven for 7 minutes