For the Sauce:

• 1 tablespoon olive oil
• 1 small onion, finely diced
• 2 carrots, peeled and finely diced
• 2 celery stalks, finely diced
• 3 cloves garlic, minced
• 1 pound ground beef or a mix of beef and pork
• 1/4 cup tomato paste
• 1/2 cup dry red wine (or beef broth)
• 1 can (14 oz) crushed tomatoes
• 1/2 cup milk
• 1 teaspoon dried oregano
• 1/2 teaspoon salt
• 1/2 teaspoon black pepper
• 1/4 teaspoon crushed red pepper flakes (optional)

For the Gnocchi:

• 1 pound potato gnocchi

For Serving:

• 1/4 cup grated Parmesan cheese (plus more for serving)
• Fresh basil or parsley for garnish