3 tablespoons extra-virgin olive oil
1 onion, chopped
4 cloves garlic, chopped
1 carrot, finely chopped
1 pound ground beef
1 pound ground veal
1 cup red wine
2 28-ounce cans crushed tomatoes
1 tablespoon dried oregano
Kosher salt and freshly ground black pepper
2 pound fresh ricotta cheese
2 large eggs
1 cup finely grated Parmesan cheese
1 pound no-cook lasagna sheets
2 large balls fresh mozzarella cheese, sliced