Ingredients
Directions
- 1
In a skillet, melt the butter over medium heat.
- 2
Add the finely chopped onion and sauté until soft and translucent.
- 3
Stir in the heavy cream and minced black truffle, letting the sauce simmer for a few minutes.
- 4
Season with salt and pepper to taste.
- 5
Pour the sauce over the cooked spaghetti and mix well to coat evenly.