Dave Grohls Badass Lasagna

Name: Dave Grohl's Badass Lasagna
Ingredients: 6 tablespoons olive oil; 4 tablespoons lightly salted butter, plus more for greasing the pan; 3 small onions, finely chopped; 4 cloves garlic, minced; 3 stalks celery, finely chopped; 2 carrots, peeled and finely chopped; 2 bay leaves; 2 1/2 pounds plant-based ground beef alternative; 3 tablespoons tomato paste; 7 ounces marinara sauce or tomato passata; 1 1/2 cups red wine; 1 1/2 cups vegetable broth; 4 pinches ground nutmeg; Sea salt and freshly ground black pepper; 9 no-boil lasagna sheets; 14 ounces whole milk mozzarella, coarsely grated; 2 ounces grated Parmesan