Bake the potato knishes until golden brown. If some potato filling leaks out, tuck it back in with a knife. Cool for 5-10 minutes and cut into serving size pieces. TIP: make the knishes ahead and place the cut pieces back in the oven for 5-10 minutes to crisp up. The best! Where do knishes originate from? What are knishes made of?
Experiment with fillings like sweet potato and roasted garlic, spinach and ricotta cheese, or mashed squash and ginger for a new take on the classic knish. Combine the flour, baking powder, and salt in the bowl of a food processor. Add the water, oil, egg, and vinegar and pulse until just combined.
Here’s the nutritional breakdown of 1 medium potato: So, if you’re wondering which kind of potato has the least carbs, sweet potatoes are your best option. Save Recipe! Prep. Preheat oven to 400 F. Toss ingredients together, making sure the halved radishes (3 pounds) are thoroughly coated in olive oil (1/4 cup).
Combine the whisked egg and water in a small bowl. Place the knishes on the prepared baking sheet evenly spaced apart, pinched-side down. Use a pastry brush to brush each knish with the egg wash. Bake until golden brown, 40 to 45 minutes. Serve with deli-style mustard.