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Simple & Classic Potato Knishes

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These Simple & Classic Potato Knishes are crispy, golden pastries filled with tender mashed potatoes, sautéed onions, and garlic. A Jewish deli favorite, these flaky, savory snacks are easy to make at home and perfect for appetizers, side dishes, or a satisfying snack.

Ingredients

  • For the Dough:

    • 2 cups all-purpose flour
    • ¼ cup vegetable oil (or canola or sunflower oil)
    • ½ cup warm water
    • ½ teaspoon salt

    For the Filling:

    • 2 large russet potatoes
    • 1 medium yellow onion, finely chopped
    • 2 cloves garlic, minced (or ½ teaspoon garlic powder)
    • 2 tablespoons vegetable oil
    • 2 tablespoons chopped scallions
    • Salt & black pepper, to taste

    For the Egg Wash:

    • 1 egg yolk (or aquafaba or oil spray for vegan option)

Instructions

Prepare the Potatoes:

  • Preheat oven to 425°F (218°C).
  • Poke each potato six times with a fork, rub with oil, and season with salt.
  • Bake for 1 hour until fork-tender.
  • While still warm, peel and mash or pass through a food mill.

2. Make the Dough:

  • In a large bowl, mix flour, vegetable oil, warm water, and salt.
  • Knead until smooth, then cover and rest for 30 minutes.

3. Cook the Onions:

  • Heat 2 tbsp oil in a skillet over medium heat.
  • Add onions and garlic, sauté until golden brown and caramelized (about 10 minutes).
  • Stir in chopped scallions, cook for 1 more minute, then remove from heat.

4. Prepare the Filling:

  • Mix mashed potatoes with the sautéed onions.
  • Season with salt & black pepper to taste.

5. Assemble the Knishes:

  • Roll out the rested dough thinly and cut into 3–4 inch squares.
  • Place a spoonful of potato filling in the center of each square.
  • Fold the edges over the filling, sealing tightly to form small pockets.

6. Bake:

  • Place knishes on a lined baking sheet.
  • Brush with egg yolk (or use aquafaba or oil spray for vegan).
  • Bake at 375°F (190°C) for 25–30 minutes until golden brown.

7. Serve & Enjoy:

  • Let cool slightly before serving warm.

Notes

  • Vegan Option: Use aquafaba or oil spray instead of egg wash.
  • Want a Flaky Dough? Add 1 tablespoon vinegar to the dough for a crispier texture.
  • Prefer Frying? Fry in hot oil until golden brown for a crispier knish.
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Find it online: https://avarecipe.com/simple-classic-potato-knishes/