One-Pot French Onion "PastaOs" with Melted Gruyère

One-Pot French Onion "PastaOs" with Melted Gruyère is a medium American recipe that serves 4. 450 calories per serving. Recipe by Food52 on YouTube.

Prep: 10 min | Cook: 24 min | Total: 44 min

Cost: $12.29 total, $3.07 per serving

Ingredients

  • 2 tbsp Unsalted Butter (cut into cubes)
  • 1 tbsp Olive Oil (extra virgin)
  • 1 whole Sweet Onion (diced)
  • 1 Bay Leaf (dried)
  • 1 pinch Salt (fine sea salt)
  • 1/2 tsp Black Pepper (freshly ground)
  • 3 cloves Garlic (grated)
  • few sprigs Fresh Thyme (leaves stripped)
  • 8 oz Anelli Pasta (dry rings)
  • 1 cup Dry White Wine (dry, such as Sauvignon Blanc)
  • 1 tbsp Beef Bouillon Paste (hefty tablespoon)
  • 1 tsp Soy Sauce (low sodium)
  • 1/2 tsp Worcestershire Sauce (regular)
  • 3 cups Water (room temperature)
  • 1 tsp Crème Fraîche (room temperature)
  • 1 tsp Cherry Vinegar (adds brightness)
  • 1 cup Gruyère Cheese (grated, about 100 g)
  • to taste Black Pepper (freshly ground for finishing)

Instructions

  1. Melt butter and oil

    Place the cast‑iron skillet over medium‑high heat and add 2 tbsp butter and 1 tbsp olive oil. Let the butter melt, stirring to combine with the oil so the butter doesn’t burn.

    Time: PT2M

  2. Sauté onion and bay leaf

    Add the diced sweet onion and the bay leaf to the skillet. Sprinkle a pinch of salt and ½ tsp freshly ground black pepper. Cook, stirring occasionally, until the onion is softened and lightly caramelized, about 10 minutes.

    Time: PT10M

  3. Add garlic and thyme

    Stir in the grated garlic and the stripped thyme leaves. Cook for about 1 minute, just until fragrant; do not let the garlic brown.

    Time: PT1M

  4. Toast the pasta

    Add the dry anelli pasta to the skillet. Toss continuously for 2 minutes, allowing the rings to get a light golden hue.

    Time: PT2M

  5. Deglaze with wine

    Pour in 1 cup dry white wine. Let it simmer for about 1 minute, scraping up any browned bits from the pan as the alcohol evaporates.

    Time: PT1M

  6. Add flavor bases

    Stir in 1 tbsp beef bouillon paste, 1 tsp soy sauce, and ½ tsp Worcestershire sauce. Mix until the paste dissolves completely.

    Time: PT1M

  7. Simmer with water

    Add 3 cups water, increase the heat to bring the mixture back to a gentle simmer, and cook for 8 minutes, stirring occasionally, until the pasta is al dente and the sauce thickens from the released starch.

    Time: PT8M

  8. Finish with crème fraîche and vinegar

    Remove the skillet from heat. Stir in 1 tsp crème fraîche and 1 tsp cherry vinegar until fully incorporated, giving the sauce a silky texture and bright note.

    Time: PT1M

  9. Broil the cheese topping

    Evenly sprinkle the grated Gruyère over the pasta. Pre‑heat the oven broiler on high and place the skillet under it. Broil for about 30 seconds, watching closely, until the cheese bubbles and turns golden‑brown.

    Time: PT0.5M

    Temperature: high broil

  10. Season and serve

    Remove from the oven, discard the bay leaf, and finish with a fresh grind of black pepper. Serve immediately while hot.

    Time: PT0.5M

Nutrition Facts

Calories
450
Protein
15 g
Carbohydrates
45 g
Fat
20 g
Fiber
2 g

Dietary info: Contains alcohol, Vegetarian option available by using vegetable bouillon and omitting Worcestershire

Allergens: Dairy, Gluten, Soy

Ingredient Substitutions

  • Instead of Unsalted Butter: Margarine, Olive oil (extra)
  • Instead of Olive Oil: Canola oil
  • Instead of Sweet Onion: Yellow onion
  • Instead of Garlic: Garlic powder (1/4 tsp)
  • Instead of Fresh Thyme: Dried thyme (1/4 tsp)
  • Instead of Anelli Pasta: Ditalini or other small pasta
  • Instead of Dry White Wine: Chicken broth (1 cup)
  • Instead of Beef Bouillon Paste: Vegetable bouillon paste (vegetarian)
  • Instead of Soy Sauce: Tamari
  • Instead of Worcestershire Sauce: Soy sauce + dash of molasses
  • Instead of Crème Fraîche: Sour cream
  • Instead of Cherry Vinegar: Red wine vinegar
  • Instead of Gruyère Cheese: Mozzarella, White cheddar

Equipment Needed

  • Cast Iron Skillet
  • Oven (Broiler)
  • Wooden Spoon
  • Measuring Cups
  • Measuring Spoons
  • Grater
  • Chef's Knife
  • Cutting Board
  • Small Bowl

Critical Steps — Do Not Skip

  • Caramelize the onion without burning
  • Toast the anelli pasta to develop flavor
  • Deglaze with wine to lift fond
  • Reduce the sauce to a creamy consistency
  • Broil the cheese just until bubbly and golden

Chef Tips from the Video

  • A pinch of salt early helps draw out moisture from the onion, enhancing caramelization
  • If you like a deeper flavor, splash an extra ¼ cup wine before adding water
  • Mix Gruyère with a bit of sharp white cheddar for extra bite

Troubleshooting

Sauce is too thin

Continue simmering uncovered to reduce, or add a little more crème fraîche for thickness.

Pasta is overcooked and mushy

Cook the anelli al dente in step 7; if overcooked, add a splash of broth and heat briefly to re‑coat.

Cheese becomes oily or doesn’t brown

Use a high‑quality Gruyère and broil only 30 seconds; keep the broiler distance close but not touching the cheese.

Burnt garlic flavor

Add garlic after the onions have softened and stir only 1 minute; lower heat if you hear sizzling.

Storage

Refrigerator: Store leftovers in an airtight container for up to 3 days.

Freezer: Can freeze for up to 2 months; reheat gently on the stovetop with a splash of water.

Room temperature: Do not leave at room temperature longer than 2 hours.

Make-Ahead Tips

  • Prepare the onion‑garlic‑thyme mixture and refrigerate for up to 24 hours
  • Cook the pasta al dente, rinse, and store in a sealed bag; add to sauce when ready
  • Grate the Gruyère in advance and keep covered in the fridge

Frequently Asked Questions

What is the cultural significance and history of French Onion Anelli Pasta in American comfort‑food cuisine?

While not a traditional dish, this recipe blends classic French onion soup flavors with Italian anelli pasta, creating a modern American comfort food that reflects the country’s love for fusion and indulgent mac‑and‑cheese style dishes.

How does French Onion Anelli Pasta differ from traditional French onion soup?

The soup is broth‑based and served with croutons, whereas this pasta incorporates the caramelized onion flavor into a creamy wine‑reduced sauce that coats the pasta, finished with a broiled cheese crust for texture.

What regional variations exist for adult mac and cheese dishes in the United States?

Across the U.S., variations include adding smoked meats in the South, using cheddar and pepper jack in the Southwest, or incorporating lobster and truffle oil in upscale coastal versions. This recipe’s French onion twist is a unique Mid‑Atlantic spin.

What occasions or celebrations is French Onion Anelli Pasta traditionally associated with in American cuisine?

It’s a popular weeknight dinner for busy families, a crowd‑pleaser at casual gatherings, and often appears on holiday potluck tables as a richer alternative to standard mac and cheese.

What authentic ingredients give French Onion Anelli Pasta its depth of flavor?

Key ingredients are caramelized sweet onion, dry white wine, beef bouillon paste, Worcestershire sauce, and Gruyère cheese; each contributes umami, acidity, and richness that define the dish.

What are common misconceptions about using anelli pasta in baked cheese dishes?

Many think anelli is too large for a creamy sauce, but its hollow shape captures the sauce well, and toasting it first adds a nutty flavor that prevents sogginess.

What other American comfort‑food dishes pair well with French Onion Anelli Pasta?

Serve alongside a crisp green salad with vinaigrette, roasted Brussels sprouts, or garlic‑butter bread to balance the richness of the pasta.

What are the most common mistakes to avoid when making French Onion Anelli Pasta?

Over‑cooking the onions, burning the garlic, not toasting the pasta long enough, and broiling the cheese for too long are the biggest pitfalls; each leads to bitterness or a greasy finish.

Why does this recipe use beef bouillon paste instead of regular broth?

Bouillon paste provides a concentrated umami boost without adding excess liquid, allowing the sauce to thicken quickly while keeping the flavor deep and savory.

What does the YouTube channel Food52 specialize in?

Food52’s YouTube channel focuses on approachable, well‑tested home‑cooking recipes, often featuring seasonal ingredients, technique tips, and collaborations with test‑kitchen chefs to make gourmet‑style dishes accessible to everyday cooks.

How does the YouTube channel Food52’s approach to comfort‑food cooking differ from other cooking channels?

Food52 emphasizes rigorous testing, clear step‑by‑step visuals, and practical adaptations (like using pantry staples) that set its comfort‑food tutorials apart from channels that rely on more elaborate or less tested methods.

Last updated: September 6, 2026

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One-Pot French Onion "PastaOs" with Melted Gruyère

Recipe by Food52

A rich, cheesy pasta dish that turns humble anelli rings into an adult‑style mac and cheese with caramelized onions, white wine, beef bouillon, and a broiled Gruyère topping. Inspired by Food52’s Test Kitchen, this comforting recipe is perfect for a quick weeknight dinner.

MediumAmericanServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
6m
Prep
20m
Cook
10m
Cleanup
36m
Total

Cost Breakdown

$12.29
Total cost
$3.07
Per serving

Critical Success Points

  • Caramelize the onion without burning
  • Toast the anelli pasta to develop flavor
  • Deglaze with wine to lift fond
  • Reduce the sauce to a creamy consistency
  • Broil the cheese just until bubbly and golden

Safety Warnings

  • Handle the hot cast‑iron skillet with oven mitts to avoid burns
  • Watch the broiler closely; cheese can burn in seconds
  • Alcohol vapors from the wine can ignite—keep flame away from the pan

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of French Onion Anelli Pasta in American comfort‑food cuisine?

A

While not a traditional dish, this recipe blends classic French onion soup flavors with Italian anelli pasta, creating a modern American comfort food that reflects the country’s love for fusion and indulgent mac‑and‑cheese style dishes.

cultural
Q

How does French Onion Anelli Pasta differ from traditional French onion soup?

A

The soup is broth‑based and served with croutons, whereas this pasta incorporates the caramelized onion flavor into a creamy wine‑reduced sauce that coats the pasta, finished with a broiled cheese crust for texture.

cultural
Q

What regional variations exist for adult mac and cheese dishes in the United States?

A

Across the U.S., variations include adding smoked meats in the South, using cheddar and pepper jack in the Southwest, or incorporating lobster and truffle oil in upscale coastal versions. This recipe’s French onion twist is a unique Mid‑Atlantic spin.

cultural
Q

What occasions or celebrations is French Onion Anelli Pasta traditionally associated with in American cuisine?

A

It’s a popular weeknight dinner for busy families, a crowd‑pleaser at casual gatherings, and often appears on holiday potluck tables as a richer alternative to standard mac and cheese.

cultural
Q

What authentic ingredients give French Onion Anelli Pasta its depth of flavor?

A

Key ingredients are caramelized sweet onion, dry white wine, beef bouillon paste, Worcestershire sauce, and Gruyère cheese; each contributes umami, acidity, and richness that define the dish.

cultural
Q

What are common misconceptions about using anelli pasta in baked cheese dishes?

A

Many think anelli is too large for a creamy sauce, but its hollow shape captures the sauce well, and toasting it first adds a nutty flavor that prevents sogginess.

cultural
Q

What other American comfort‑food dishes pair well with French Onion Anelli Pasta?

A

Serve alongside a crisp green salad with vinaigrette, roasted Brussels sprouts, or garlic‑butter bread to balance the richness of the pasta.

cultural
Q

What are the most common mistakes to avoid when making French Onion Anelli Pasta?

A

Over‑cooking the onions, burning the garlic, not toasting the pasta long enough, and broiling the cheese for too long are the biggest pitfalls; each leads to bitterness or a greasy finish.

technical
Q

Why does this recipe use beef bouillon paste instead of regular broth?

A

Bouillon paste provides a concentrated umami boost without adding excess liquid, allowing the sauce to thicken quickly while keeping the flavor deep and savory.

technical
Q

What does the YouTube channel Food52 specialize in?

A

Food52’s YouTube channel focuses on approachable, well‑tested home‑cooking recipes, often featuring seasonal ingredients, technique tips, and collaborations with test‑kitchen chefs to make gourmet‑style dishes accessible to everyday cooks.

channel
Q

How does the YouTube channel Food52’s approach to comfort‑food cooking differ from other cooking channels?

A

Food52 emphasizes rigorous testing, clear step‑by‑step visuals, and practical adaptations (like using pantry staples) that set its comfort‑food tutorials apart from channels that rely on more elaborate or less tested methods.

channel