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Knish Recipe (Classic New York Potato Knis⁷h)

Knish Recipe | Classic New York Potato Knish

Learn how to make authentic New York potato knishes with a flaky pastry and creamy potato filling. This easy homemade knish recipe is perfect as a snack, appetizer, or side dish.

πŸ₯” Knish Recipe (Classic New York Style)

Prep Time: 30 minutes
Cook Time: 40 minutes
Total Time: 1 hour 10 minutes
Servings: 8 knishes
Course: Appetizer, Snack, Side Dish
Cuisine: American, Jewish, New York
Calories: Approximately 320 kcal per knish

A New York Potato Knish is a beloved Jewish deli and street-food classic featuring a flaky pastry wrapped around a creamy, seasoned potato filling. Golden brown on the outside and soft on the inside, knishes are perfect for lunch, snacks, parties, or as a comforting side dish.

Why You'll Love This Recipe

  • Authentic New York deli flavour
  • Crispy, flaky pastry
  • Creamy, savoury potato filling
  • Easy to prepare with simple ingredients
  • Great for meal prep and freezing
  • Perfect as a snack or side dish
  • Family-friendly comfort food

Ingredients

For the Dough

  • 2½ cups all-purpose flour
  • 1 teaspoon salt
  • ⅓ cup vegetable oil
  • ½ cup warm water
  • 1 teaspoon white vinegar

For the Potato Filling

  • 2 pounds (900 g) Yukon Gold potatoes, peeled and cubed
  • 2 tablespoons unsalted butter
  • 1 large onion, finely chopped
  • 2 tablespoons vegetable oil
  • Salt and black pepper, to taste
  • 1 teaspoon garlic powder
  • 2 tablespoons chopped fresh parsley

For Brushing

  • 1 egg, beaten
  • 1 tablespoon water

Instructions

Step 1: Prepare the Dough

Mix the flour and salt in a bowl. Add the vegetable oil, warm water, and vinegar. Stir until a dough forms, then knead for 8–10 minutes until smooth. Cover and let it rest for 30 minutes.

Step 2: Make the Filling

Boil the potatoes until fork-tender. Drain and mash with the butter.

Meanwhile, heat the vegetable oil in a skillet and cook the onion until golden brown. Stir the onions into the mashed potatoes along with the garlic powder, parsley, salt, and pepper.

Allow the filling to cool.

Step 3: Assemble the Knishes

Preheat the oven to 375°F (190°C).

Roll the dough into a thin rectangle. Spread the potato filling in a long strip near one edge, then roll the dough around the filling to form a log.

Seal the edge and cut into individual portions. Pinch the ends to close and place the knishes seam-side down on a parchment-lined baking tray.

Step 4: Bake

Brush each knish with the egg wash.

Bake for 35–40 minutes, or until golden brown and crisp.

Step 5: Serve

Cool for a few minutes before serving warm.

Pro Tips

  • Roll the dough as thin as possible for a flaky crust.
  • Let the filling cool completely before assembling.
  • Caramelised onions add extra sweetness and flavour.
  • Brush generously with egg wash for a golden finish.
  • Reheat leftovers in the oven to keep the pastry crisp.

Serving Suggestions

Serve with:

  • Spicy brown mustard
  • Dill pickles
  • Coleslaw
  • Potato salad
  • Green salad
  • Sour cream
  • Soup
  • Fresh iced tea

Nutrition Facts (Per Knish)

  • Calories: 320
  • Protein: 6 g
  • Carbohydrates: 43 g
  • Fat: 14 g
  • Saturated Fat: 3 g
  • Fibre: 3 g
  • Sugar: 2 g
  • Sodium: 320 mg

Frequently Asked Questions

What is a knish?

A knish is a baked or fried pastry traditionally filled with mashed potatoes, although fillings such as spinach, cheese, mushrooms, or meat are also popular.

Can I freeze knishes?

Yes. Bake them first, cool completely, then freeze for up to 3 months.

Can I make them ahead?

Absolutely. Assemble the knishes and refrigerate them for up to 24 hours before baking.

Can I use puff pastry?

Traditional New York knishes use homemade dough, but puff pastry can be used for a quicker variation.

How do I reheat leftovers?

Bake at 350°F (175°C) for about 10 minutes until warmed through.

Similar Recipes

  • New York Hot Dog
  • Pastrami Sandwich
  • Reuben Sandwich
  • Corned Beef on Rye
  • New York Style Pizza
  • Black and White Cookies
  • New York Cheesecake
  • Manhattan Clam Chowder

Final Thoughts

This Knish Recipe brings the authentic taste of a classic New York deli to your kitchen. With its flaky pastry and creamy potato filling, it's a comforting, satisfying dish that's perfect for snacks, lunches, or family gatherings. Pair it with spicy mustard and pickles for a truly traditional New York experience.

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