Why You’ll Love This Recipe
I love making Onion Kugel because it transforms simple pantry ingredients into a warm, comforting casserole. The slowly cooked onions develop a sweet, savory flavor that blends beautifully with the tender noodles.
Another reason I enjoy this recipe is the contrast in textures. The inside stays soft and moist, while the top and edges become lightly crispy during baking.
I also appreciate how convenient this dish is for preparing ahead of time. I can cook the onions and noodles in advance, assemble the kugel, and bake it when I’m ready to serve.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
For the Onion Kugel
-
12 ounces wide egg noodles
-
4 large yellow onions, thinly sliced
-
3 tablespoons olive oil
-
2 tablespoons unsalted butter
-
5 large eggs
-
1/2 cup sour cream
-
1/4 cup whole milk
-
1 teaspoon salt, or to taste
-
1/2 teaspoon freshly ground black pepper
-
1/2 teaspoon garlic powder
-
1/4 teaspoon ground nutmeg, optional
-
1 teaspoon dried thyme, optional
-
2 tablespoons fresh parsley, finely chopped
For the Golden Topping
-
2 tablespoons unsalted butter, melted
-
1/3 cup plain breadcrumbs
-
1/4 teaspoon paprika
-
1 tablespoon fresh parsley, chopped, for garnish
I usually choose yellow onions because they become naturally sweet when slowly cooked. I like using plenty of onions because they give the kugel its rich flavor and keep the noodle filling moist.
For the noodles, I prefer wide egg noodles because their shape holds the egg mixture beautifully. Sour cream adds a little richness and tanginess, while the eggs help the casserole set during baking.
Directions
I start by preheating my oven to 350°F (175°C). I lightly grease a 9 x 13-inch baking dish with butter or cooking spray and set it aside.
Next, I prepare the onions. I peel the yellow onions and slice them thinly, keeping the pieces as even as possible.
I place a large skillet over medium heat and add the olive oil and butter. Once the butter melts, I add the sliced onions and stir until they’re evenly coated.
I reduce the heat to medium-low and cook the onions for approximately 25–35 minutes, stirring every few minutes.
As the onions cook, they gradually soften, turn golden brown, and develop a rich, naturally sweet flavor.
I avoid rushing this step because the caramelized onions are what make the kugel especially delicious. If the onions begin sticking to the skillet, I add a tablespoon or two of water and scrape up the browned bits.
Once the onions are tender and golden, I remove the skillet from the heat and allow them to cool for approximately 5–10 minutes.
While the onions cook, I bring a large pot of salted water to a boil.
I add the wide egg noodles and cook them for approximately 1–2 minutes less than the package instructions, until they’re slightly firmer than al dente.
I prefer slightly undercooking the noodles because they continue softening while the kugel bakes.
I drain the noodles thoroughly and transfer them to a large mixing bowl. I let them cool slightly while I prepare the egg mixture.
In a separate bowl, I whisk together the eggs, sour cream, and whole milk until smooth.
I add the salt, black pepper, garlic powder, optional nutmeg, and thyme. I whisk again until the seasonings are evenly combined.
Next, I fold the cooled caramelized onions into the cooked noodles, making sure they’re distributed throughout the mixture.
I add the chopped fresh parsley and gently toss everything together.
I pour the egg and sour cream mixture over the noodles and stir carefully until every noodle is coated.
I transfer the mixture to the prepared baking dish and spread it into an even layer.
For the topping, I combine the breadcrumbs, melted butter, and paprika in a small bowl.
I sprinkle the breadcrumb mixture evenly over the kugel, creating a thin layer that will become golden and lightly crispy during baking.
I place the baking dish on the center oven rack and bake uncovered at 350°F (175°C) for approximately 40–50 minutes.
I check the kugel near the end of baking. The top should be golden brown, the edges should look lightly crisp, and the center should be set rather than liquid.
I also check that the center reaches 160°F (71°C) because the casserole contains eggs.
If the topping begins browning too quickly, I loosely cover the baking dish with aluminum foil during the final minutes of baking.
Once the Onion Kugel is fully baked, I remove it from the oven and allow it to rest for approximately 10–15 minutes.
This resting time helps the casserole firm up slightly, making it easier to slice into neat portions.
I finish by sprinkling freshly chopped parsley over the top and serve the Onion Kugel warm.
Servings and Timing
I usually get about 8 servings from this recipe.
-
Prep time: 15 minutes
-
Onion caramelizing time: 25–35 minutes
-
Noodle cooking time: 8–10 minutes, while onions cook
-
Baking time: 40–50 minutes
-
Resting time: 10–15 minutes
-
Total time: About 1 hour 35 minutes to 1 hour 55 minutes
-
Servings: 8
I can save preparation time by caramelizing the onions a day ahead and storing them in the refrigerator until I’m ready to assemble the kugel.
Variations
For Potato Onion Kugel, I replace the egg noodles with approximately 2 pounds of peeled, grated potatoes. I squeeze out as much moisture as possible, then combine the potatoes with the cooked onions, eggs, and seasonings. I omit the sour cream and milk, add 1/4 cup of flour, and bake until the center is set and the top is deeply golden.
When I want Extra Caramelized Onion Kugel, I increase the onions to 5 large onions and cook them slowly until deeply golden brown. I love how the additional onions give the casserole a sweeter, richer flavor.
For Mushroom and Onion Kugel, I add 8 ounces of sliced mushrooms to the skillet after the onions have softened. I cook them until golden and most of their moisture evaporates before combining them with the noodles.
When I want a Dairy-Free Onion Kugel, I replace the butter with additional olive oil, use unsweetened plain plant-based yogurt instead of sour cream, and substitute unsweetened plant-based milk. I make sure the yogurt is thick enough to keep the filling creamy.
For Cheesy Onion Kugel, I add 3/4 cup of shredded sharp cheddar or Gruyère cheese to the noodle mixture. I enjoy how the cheese melts into the casserole and complements the sweet onions.
When I want a lighter version, I reduce the sour cream slightly and replace it with plain Greek yogurt. The kugel still has a creamy texture with a pleasant tangy flavor.
Storage/Reheating
I let leftover Onion Kugel cool slightly before transferring it to an airtight container. I refrigerate it within 2 hours of baking and store it for up to 3–4 days.
For oven reheating, I place the kugel in an oven-safe dish and cover it loosely with aluminum foil. I reheat at 350°F (175°C) for approximately 15–20 minutes, or until the center reaches 165°F (74°C).
When I want the topping to become crispy again, I remove the foil during the final 5 minutes of reheating.
For individual portions, I use the microwave in 30–60-second intervals until thoroughly heated.
I can also freeze baked Onion Kugel for up to 2 months. I wrap individual portions tightly and place them in a freezer-safe container.
When I’m ready to serve, I thaw the kugel overnight in the refrigerator and reheat it in the oven. I prefer this method because it helps preserve the texture of the noodles and crispy topping.
FAQs
Can I make Onion Kugel ahead of time?
Yes. I can prepare the caramelized onions and cook the noodles up to a day in advance. I can also assemble the kugel, cover it tightly, and refrigerate it for up to 24 hours before baking. When baking directly from the refrigerator, I allow an additional 5–10 minutes and check that the center is fully set.
What type of onions are best for Onion Kugel?
I prefer yellow onions because they have a balanced flavor and become naturally sweet when caramelized. Sweet onions, such as Vidalia onions, also work beautifully. I usually avoid using only red onions because they create a different flavor and color.
Can I make Onion Kugel without sour cream?
Yes. I can replace the sour cream with plain Greek yogurt or a thick, unsweetened dairy-free yogurt. I can also omit the sour cream and use a little additional milk, although the kugel will be less rich and creamy.
How do I keep Onion Kugel from becoming dry?
I avoid overcooking the noodles before baking and make sure they’re evenly coated with the egg mixture. I also cook the onions until soft and tender, which helps add moisture and flavor. If the top begins browning before the center is set, I loosely cover the baking dish with foil.
What can I serve with Onion Kugel?
I love serving Onion Kugel with roasted chicken, baked fish, grilled vegetables, green beans, or a fresh salad. It’s also a delicious side dish for family dinners and holiday meals. Since the kugel is rich and filling, I often pair it with lighter vegetables.
Conclusion
This Onion Kugel Recipe is one of my favorite ways to transform simple onions and egg noodles into a savory, comforting baked casserole. I love how the sweet caramelized onions, tender noodles, creamy filling, and golden topping come together to create a delicious combination of flavors and textures. Whether I prepare it for a family dinner, holiday gathering, or make-ahead meal, this homemade onion kugel is a recipe I enjoy making again and again.
