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Perfect Crispy French Fries with Vinegar Soak

Posted on May 26, 2025
Here’s how to make Perfect Crispy French Fries with a vinegar soak — a technique that enhances the fries’ structure, helping them get extra crispy on the outside while staying fluffy inside. 🍟✨


🥔 Perfect Crispy French Fries with Vinegar Soak

🛒 Ingredients:

  • 4 large Russet potatoes (best for frying)

  • 2 tbsp white vinegar

  • Cold water (for soaking)

  • Vegetable oil (for frying)

  • Salt (to taste)


🔪 Instructions:

1. Peel & Cut the Potatoes

  • Peel the potatoes (or scrub if you prefer skin-on).

  • Cut into ¼-inch thick fries. Try to keep sizes uniform for even cooking.

2. Vinegar Soak

  • Place the fries in a large bowl.

  • Add cold water to cover them completely.

  • Stir in 2 tablespoons of white vinegar.

  • Let soak for at least 30 minutes, or up to 2 hours. This draws out excess starch and helps firm up the potatoes.

3. Rinse & Dry

  • Drain the soaked fries and rinse thoroughly.

  • Spread on a clean kitchen towel or paper towels and dry completely — this is key for crispiness!

4. First Fry (Blanching)

  • Heat oil in a deep fryer or large pot to 300°F (150°C).

  • Fry the potatoes in batches for 4–5 minutes until pale and slightly soft.

  • Drain and let them cool on a wire rack or paper towels. (You can refrigerate or freeze them at this stage to fry later!)

5. Second Fry (Crisping)

  • Increase oil temperature to 375°F (190°C).

  • Fry the blanched potatoes again in batches until golden and crispy — about 2–3 minutes.

  • Drain and season immediately with salt.


🍽️ Serve With:

  • Classic ketchup or garlic aioli

  • Vinegar spray for that British chip shop flavor

  • Topped with cheese curds and gravy for poutine lovers


🧠 Why the Vinegar?

The acetic acid in vinegar strengthens the surface starches, helping fries hold their shape and crisp up better during frying.


Would you like a baked or air-fryer version of this too?

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