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.
π₯ 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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