Farfalle Pasta with Spinach, Mushrooms, and Caramelized Onions

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Creamy Farfalle with Spinach, Mushrooms, and Caramelized Onions.  The bow-tie pasta is perfectly matched with rich and buttery Parmesan sauce!  Serve this easy meatless Italian meal as-is, or with grilled chicken!  Satisfying and comforting dinner that a whole family will love!

  • Prep Time : 20 mins
  • Cook Time : 30 mins
  • Total Time : 50 mins
  • Servings: 4 people

Ingredients

Caramelized onions

  • 1 tablespoon olive oil
  • 3 yellow onions , large, sliced
  • 1/4 teaspoon salt
  • 1 tablespoon balsamic vinegar

Creamy pasta sauce

  • 1 tablespoon olive oil
  • 10 oz mushrooms , sliced (I used button mushrooms)
  • 6 oz spinach
  • 1 cup half-and-half
  • 1 cup Parmesan cheese , shredded
  • 1/4 teaspoon salt

Pasta

  • 8 oz farfalle pasta

Instructions

How to caramelize onions:

  1. Heat 1 tablespoon olive oil on medium-high heat in a large skillet. Add sliced onions and cook on high heat for about 10 minutes, constantly stirring with the spatula.
  2. The onions should start to brown, but without burning.
  3. Reduce heat to medium and continue cooking onions for 10 more minutes, continuing to stir, as onions brown even more without burning. At this point add a pinch of salt over onions.
  4. Continue cooking for 10 more minutes on medium or low heat, stirring occasionally to make sure onions don’t stick to the bottom of the pan or burn.
  5. In total, you should have cooked onions for 30 minutes.
  6. Remove the skillet from heat and sprinkle the onions with a small amount of balsamic vinegar to deglaze the pan.
  7. Using a spatula, stir the onions, scraping the bottom of the pan and coating onions with a pinch of balsamic vinegar you just added. Remove caramelized onions to a plate.

How to cook mushrooms and spinach:

  1. Heat 1 tablespoon olive oil in the same skillet on medium heat. Add sliced mushrooms. Sprinkle with a pinch of salt.
  2. Cook mushrooms for about 5 minutes, occasionally stirring, until mushrooms are soft.
  3. Add fresh spinach to the skillet and stir on low heat just until spinach starts to wilt.

How to make creamy pasta sauce:

  1. Add half-and-half to the mushroom and spinach mixture and bring to a quick boil. Immediately reduce to simmer.
  2. Add 2/3 cup of shredded Parmesan cheese and 1/4 teaspoon salt. Keep stirring while the sauce simmers until the cheese melts.
  3. Add caramelized onions back to the skillet with the pasta sauce.

Cook pasta:

  1. Cook pasta according to package instructions. Drain.
  2. Add cooked and drained farfalle pasta to the creamy sauce. Stir on low heat for a couple of minutes to reheat.
  3. If the sauce is too thick, add a small amount of half-and-half to thin it out. If it is too thin, add a small amount of shredded Parmesan cheese, and stir it in, while the sauce simmers.
  4. Serve with more shredded parmesan cheese sprinkled on top.

Recipe Notes

Substitute for half-and-half:  Use 1/2 cup of heavy cream + 1/2 cup of milk instead of 1 cup of half-and-half.

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