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Creamy Vegan Caramelized Onion Pasta

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Creamy vegan caramelized onion pasta is a rich and comforting plant-based dish made with slow-cooked onions and a silky cashew cream sauce. This dairy-free recipe is packed with deep flavor and perfect for a cozy, wholesome meal.

Ingredients

  • 8 oz pasta of choice (spaghetti, linguine, or fettuccine)
  • 2 large yellow or sweet onions, thinly sliced
  • 2 tablespoons olive oil or vegan butter
  • 2 cloves garlic, minced
  • 1 cup unsweetened plant-based milk (e.g., oat or almond)
  • 1/2 cup raw cashews (soaked in hot water for 2030 minutes)
  • 2 tablespoons nutritional yeast
  • 1 tablespoon lemon juice
  • Salt and black pepper, to taste
  • Fresh parsley or thyme, for garnish (optional)

Instructions

  1. Soak cashews in hot water for 20–30 minutes, then drain.
  2. Heat olive oil in a large skillet over medium-low heat. Add sliced onions and cook slowly, stirring often, until caramelized (30–40 minutes).
  3. While onions cook, boil pasta in salted water according to package instructions. Reserve ½ cup pasta water and drain the rest.
  4. In a blender, combine soaked cashews, plant-based milk, garlic, nutritional yeast, lemon juice, salt, and pepper. Blend until smooth and creamy.
  5. Once onions are caramelized, add cooked pasta to the skillet along with the cashew cream sauce.
  6. Toss everything together, adding reserved pasta water as needed to loosen the sauce. Simmer for 1–2 minutes.
  7. Serve hot, garnished with parsley or thyme and extra black pepper if desired.

Notes

  • Add sautéed mushrooms or spinach for extra veggies.
  • Use silken tofu instead of cashews for a nut-free option.
  • For more cheesy flavor, add more nutritional yeast or a spoonful of miso paste.
  • Smoked paprika or liquid smoke can add a smoky twist.
  • Leftovers can be reheated with a splash of plant milk to restore creaminess.

Nutrition