Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
Caramelized Onion Pasta with Chilli Oil Recipe

Caramelized Onion Pasta with Chilli Oil Recipe


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.6 from 17 reviews

  • Author: admin
  • Total Time: 40 minutes
  • Yield: 4 servings
  • Diet: Vegetarian

Description

A delicious and flavorful pasta dish featuring sweet caramelized onions and spicy chili oil, perfect for a quick weeknight dinner.


Ingredients

Spaghetti or Linguine:

8 ounces

Olive Oil:

2 tablespoons, plus more for finishing

Yellow Onions:

2 large, thinly sliced

Butter:

1 tablespoon

Salt:

1/2 teaspoon

Balsamic Vinegar:

1 tablespoon (optional)

Garlic:

3 cloves, minced

Red Pepper Flakes:

1 teaspoon (adjust to taste)

Chili Oil:

2 tablespoons, plus more for serving

Reserved Pasta Water:

1/4 cup

Fresh Parsley or Basil:

for garnish

Grated Parmesan Cheese:

optional


Instructions

  1. Cook Pasta: Cook pasta in salted boiling water until al dente. Reserve 1/4 cup of pasta water and drain.
  2. Caramelize Onions: Heat olive oil and butter in a large skillet over medium heat. Add sliced onions and cook slowly until caramelized, about 25–30 minutes. Season with salt and deglaze with balsamic vinegar if using.
  3. Finish Dish: Add garlic and red pepper flakes to the skillet. Stir in the cooked pasta, reserved water, and chili oil. Toss to combine. Adjust seasoning and serve hot topped with herbs and cheese.

Notes

  • This dish can be customized with additional ingredients like mushrooms, spinach, or roasted tomatoes.
  • For a vegan version, omit the butter and cheese.
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Main Course
  • Method: Stovetop
  • Cuisine: Italian-Inspired

Nutrition

  • Serving Size: 1 bowl
  • Calories: 420
  • Sugar: 6 g
  • Sodium: 310 mg
  • Fat: 18 g
  • Saturated Fat: 5 g
  • Unsaturated Fat: 11 g
  • Trans Fat: 0 g
  • Carbohydrates: 55 g
  • Fiber: 3 g
  • Protein: 9 g
  • Cholesterol: 10 mg