If you love the deep, savory flavour of French onion soup, this easy cheesy French onion pasta recipe is about to become a new favorite. Sweet, caramelized onions are slowly cooked until golden and jammy, then simmered in a rich beef broth with a splash of cream to create a silky, flavor-packed sauce.
Peel, half and carefully slice the onions from root to tip making them as similar in size as you can for even cooking.
Heat the butter in a large, wide pan or dutch oven over a medium heat.
Add the sliced onions, salt, pepper and sugar to the pan.
Cook the onion for around 15 minutes until soft and golden. Stir often to ensure even cooking.
Add the minced garlic and cook for 30 seconds on low heat.
Add the wine to the pan and let the alcohol bubble off for a minute or two
Sprinkle cornstarch over onions and stir for 1 minute.
Slowly pour in the broth, stirring to combine, Add the Worcestershire sauce if using.
Bring to a boil, reduce the heat and continue to cook at a gentle simmer to allow the flavors to develop.
Cook the penne pasta according to package instructions in salted water.
Once cooked, add the pasta directly to the simmering onion-broth mixture.
Stir in the cream and mozzarella.
Sprinkle gruyere cheese over the pasta, cover the pan with a lid and allow to cook for 1 minute until melt.
Optional: Turn the broiler (grill) to high and broil the cheese for a minute or two until golden brown. Don’t step away from the dish as it is very easy to end up with burnt cheese.
Garnish the pasta with parsley and serve immediately.
Nutritional information is provided as a courtesy only and should be taken as an estimate rather than a guarantee. Ingredients can vary and the Family Food Kitchen can't guarantee the accuracy of this information.