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Creamy Vegan Caramelized Onion Pasta 2025 12 07 235044 150x150 1

Creamy Vegan Caramelized Onion Pasta


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  • Author: chef-ava
  • Total Time: 75 minutes
  • Yield: 4 servings 1x
  • Diet: Vegan

Description

A luxurious and effortless vegan pasta featuring sweet, caramelized onions in a silky plant-based sauce.


Ingredients

Scale
  • 12 oz (340 g) fettuccine or bucatini pasta
  • Kosher salt
  • Freshly ground black pepper
  • 3 large yellow onions, thinly sliced
  • 3 tbsp extra-virgin olive oil, plus 1 tbsp for finishing
  • 2 cloves garlic, minced
  • 1 cup unsweetened plant milk (oat or almond), warmed
  • 1/2 cup full-fat canned coconut milk or cashew cream
  • 1 tbsp miso paste (white or yellow), dissolved in warm milk
  • 1 tbsp freshly squeezed lemon juice
  • 1/4 cup nutritional yeast
  • 2 tbsp chopped fresh parsley or chives
  • Cracked black pepper and flaky sea salt for finishing

Instructions

  1. Bring a large pot of salted water to a boil. Cook pasta until just shy of al dente, about 1–2 minutes less than package directions. Reserve 1 cup of pasta water, then drain.
  2. In a wide skillet, heat 3 tbsp of olive oil over medium-low heat. Add onions and a pinch of salt, cooking slowly while stirring every 4–6 minutes for 40–50 minutes until caramelized.
  3. Add minced garlic to the cleared center of the pan and sear for 30 seconds, then fold into the onions.
  4. Deglaze the pan with 2–3 tbsp reserved pasta water, then add warm plant milk and coconut milk. Stir until creamy.
  5. Whisk in dissolved miso and nutritional yeast. Simmer until the sauce thickens slightly.
  6. Add drained pasta to the skillet and toss to combine, adjusting texture with reserved pasta water as needed.
  7. Finish with lemon juice, 1 tbsp olive oil, and a generous grind of black pepper. Adjust salt to taste.
  8. Serve immediately, garnished with chopped herbs and a pinch of flaky sea salt.

Notes

For best results, slice onions uniformly and keep plant milk warm. Use low and slow heat for caramelization.

  • Prep Time: 15 minutes
  • Cook Time: 60 minutes
  • Category: Main Course
  • Method: Stovetop
  • Cuisine: Italian

Nutrition

  • Serving Size: 1 serving
  • Calories: 400
  • Sugar: 6g
  • Sodium: 450mg
  • Fat: 20g
  • Saturated Fat: 8g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 4g
  • Protein: 10g
  • Cholesterol: 0mg