One Pot Creamy Tomato Beef Pasta (Easy 30-Minute Dinner)

Ingredients

• 1 tablespoon olive oil
• 1 medium yellow onion, finely chopped
• 1 lb (450 g) lean ground beef
• 3 cloves garlic, minced
• 2 tablespoons tomato paste
• 2 teaspoons Italian seasoning
• 1/2 teaspoon kosher salt, plus more to taste
• 1/2 teaspoon black pepper
• 1/4 teaspoon red pepper flakes, optional
• 1 can (14.5 oz / 411 g) crushed tomatoes
• 4 cups (960 ml) low-sodium beef broth
• 12 oz (340 g) fusilli, penne, rotini, or medium shells
• 3/4 cup (180 ml) heavy cream
• 1/2 cup (50 g) freshly grated parmesan cheese, plus more for serving
• 2 tablespoons chopped fresh parsley