Old Spaghetti Factory Original Clam Sauce Recipe

Recreate the magic of Old Spaghetti Factory's iconic clam sauce at home! This recipe delivers a rich, creamy, and flavorful sauce bursting with fresh clams and aromatic herbs. Perfect for a weeknight dinner or a special occasion, this easy-to-follow recipe will impress your family and friends. Get ready to savor the taste of the coast in every bite!

Prep Time 10 mins
Cook Time 20 mins
Calories 573.5 kcal
Protein 41g
Rating Be the first
Old Spaghetti Factory Original Clam Sauce 60

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Old Spaghetti Factory Original Clam Sauce

  • 4 tablespoons (1/2 stick) unsalted butter
  • 2 cloves garlic, minced
  • 1/2 medium yellow onion, finely chopped
  • 2 stalks celery, finely chopped
  • 1/4 cup all-purpose flour
  • 2 pounds fresh littleneck clams, scrubbed and rinsed
  • Half And Half
  • Ground Thyme
  • 1 teaspoon salt (or to taste)

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How to Make Old Spaghetti Factory Original Clam Sauce

  1. Melt butter in a large saucepan over medium-low heat. Add minced garlic, chopped onion, and celery.
  2. Cook, stirring occasionally, until the vegetables are softened but not browned (about 5-7 minutes).
  3. Sprinkle in the flour and whisk constantly for 1-2 minutes to create a smooth roux.
  4. In a separate pot, steam or boil clams until they open. Discard any that do not open. Remove clams from their shells, reserving the clam juice.
  5. In a separate saucepan, combine the reserved clam juice, half-and-half, thyme, and salt. Heat over medium heat until it is just simmering.
  6. Gradually whisk the warm clam juice mixture into the roux, stirring constantly until the sauce thickens to your desired consistency (about 2-3 minutes).
  7. Gently stir in the cooked clams.
  8. Cook for another minute to heat through. Taste and adjust seasoning as needed.
  9. Meanwhile, cook pasta according to package directions.
  10. Serve the delicious clam sauce over your cooked pasta. Garnish with extra thyme or chopped parsley, if desired.

Nutrition Information (Approximate per serving)

Sodium

56 g

Sugar

6g

Fat

142g

Carbs

6g

Frequently Asked Questions

How long does it take to make Old Spaghetti Factory Original Clam Sauce?

Old Spaghetti Factory Original Clam Sauce takes about 30 minutes from start to finish — roughly 10 minutes to prepare and 20 minutes to cook.

How many calories are in Old Spaghetti Factory Original Clam Sauce?

Old Spaghetti Factory Original Clam Sauce has approximately 573.5 calories per serving, with about 41 g protein, 6 g carbohydrates and 70 g fat.

What ingredients do I need for Old Spaghetti Factory Original Clam Sauce?

The key ingredients for Old Spaghetti Factory Original Clam Sauce are Butter, Garlic, Onion, Celery, Flour, Clams. See the full list with measurements above.

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