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One-Pot French Onion Pasta

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  • Author: Sue
  • Prep Time: 15 minutes
  • Cook Time: 1 hour
  • Total Time: 1 hour 15 minutes
  • Yield: 6 servings
  • Category: Dinner
  • Method: One-Pot
  • Cuisine: French-Inspired
  • Diet: Vegetarian

Description

A cozy, savory one-pot pasta dish inspired by classic French onion soup, featuring caramelized onions, umami-rich broth, melty cheese, and creamy sauce—all cooked in one pot for maximum flavor and minimal cleanup.


Ingredients

  • 3 large yellow onions, thinly sliced
  • 3 cloves garlic, minced
  • 2 tbsp olive oil or butter
  • 12 oz short pasta (orecchiette, rigatoni, or mezze rigatoni)
  • 4 cups beef broth (or water + bouillon)
  • 1/2 cup evaporated milk or splash of cream
  • 1 tbsp Worcestershire sauce
  • 1 tbsp soy sauce
  • 1 tsp fresh thyme leaves
  • 1 cup grated Gruyère cheese
  • 1/2 cup grated Parmesan cheese
  • Salt and pepper to taste
  • Optional: red pepper flakes, sautéed mushrooms, cooked meat, extra veggies

Instructions

  1. Thinly slice the onions and slowly caramelize them in olive oil or butter over medium-low heat for about 1 hour, stirring regularly.
  2. Add minced garlic, fresh thyme, Worcestershire sauce, and soy sauce. Cook for 1–2 minutes until fragrant.
  3. Pour in the beef broth and evaporated milk, then bring to a simmer.
  4. Stir in the pasta, ensuring it is submerged. Cook until al dente and the sauce has thickened, about 10–12 minutes.
  5. Remove from heat and stir in Gruyère and Parmesan until melted and creamy. Season with salt, pepper, and extra thyme to taste.

Notes

  • Stir onions frequently to prevent burning; add water if they stick.
  • For a creamier version, substitute with half-and-half or heavy cream.
  • Add cooked proteins or vegetables for a heartier meal.
  • Use plant-based ingredients for a vegetarian or dairy-free version.

Nutrition

  • Serving Size: 1 serving
  • Calories: 480
  • Sugar: 6g
  • Sodium: 820mg
  • Fat: 20g
  • Saturated Fat: 10g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 55g
  • Fiber: 3g
  • Protein: 20g
  • Cholesterol: 45mg