Directions
- 1Slice four onions thinly.
- 2Add four tablespoons of butter to a pan and set heat to medium-high.
- 3Add the sliced onions to the pan.
- 4Cook the onions down for 10-15 minutes.
- 5Add the cooked onions to a blender or food processor.
- 6Add half a cup of olive oil, three egg yolks, three-quarters cup of Parmesan cheese, salt, and pepper to the blender.
- 7Blend the ingredients until smooth.
- 8Return the blended sauce to the pan and heat on low.
- 9Boil spaghetti.
- 10Once pasta is done, add it to the sauce.
- 11Add a splash of pasta water to the sauce.
- 12Mix the pasta and sauce together.
Ingredients
- 4 onions
- 4 tablespoons butter
- 0.5 cup olive oil
- 3 egg yolks
- 0.75 cups Parmesan cheese
- Salt
- Pepper
- spaghetti
- pasta water
Equipment
panblenderfood processor
Tips
- Slice onions thinly for better caramelization.
- Break spaghetti if it doesn't fit in the pot.
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