"Never look for another lasagna recipe again...."
extra-virgin olive oil
large onion, chopped
large carrot, peeled and finely chopped
stalks celery, finely chopped
cloves garlic, minced
ground beef
dry white wine
(28-oz.) cans crushed tomatoes
tomato paste
low-sodium beef (or chicken) broth
bay leaf
whole milk
Kosher salt
Freshly ground black pepper
lasagna noodles
ricotta
large egg, beaten
freshly grated Parmesan, divided
dried oregano
crushed red pepper flakes
Kosher salt
Freshly ground black pepper
fresh mozzarella, sliced
Freshly chopped parsley, for serving