Butter – 4 tbsp
Onions – 2, large
Salt and pepper – to taste
White wine – 1/2 glass
Rigatoni pasta – 4 ounces
Vegetable stock – 500ml
Worcestershire sauce – 1/2 tsp
Dried oregano – 1tsp
Half and half – 1/2 cup
Parmesan cheese – 1/4 cup + 1/4 cup
Full recipe –