Beef Stroganoff Casserole {Dump-and-Bake}

This dump-and-bake beef stroganoff casserole skips the stovetop entirely. Just stir everything into one dish (uncooked noodles included) and let the oven do the work. It’s my lazy-day take on the Russian comfort food I grew up eating, and it comes together in about 10 minutes of prep.

Before You Get Started

A few things that make a real difference with this recipe:

• Thaw the meatballs completely. Frozen meatballs won’t heat through properly in the bake time and will throw off the sauce temperature. Plan ahead and thaw them in the fridge overnight, or for at least a few hours before you start.
• Bring the sour cream to room temperature. Cold sour cream can seize up and resist blending into the sauce. Pull it out 20-30 minutes early, and it’ll whisk right in smoothly.
• Use your largest, deepest baking dish. This recipe fills a 9×13 to the brim before it goes into the oven. A standard depth dish may bubble over; a deep 9×13 gives the noodles room to expand as they absorb the liquid.

How to Make Beef Stroganoff Casserole

This recipe comes together almost entirely in the baking dish: no skillet, no boiling water, no extra steps.

Step 1: Prep the Baking Dish

Preheat the oven to 425°F (220°C) and spray your largest baking dish with cooking spray. A deep 9×13-inch dish works best here.

Step 2: Mix the Sauce

In the prepared dish (or in a separate bowl if you prefer), whisk together the Alfredo sauce, beef broth, Worcestershire sauce, and sour cream until the mixture is completely smooth. This is your sauce base, and getting it fully combined before adding anything else helps everything cook evenly.

⇢ Measure the broth carefully. Stick to 3 cups exactly. Alfredo sauce jars can vary in size, and adding too much liquid is the most common reason this casserole turns out watery.

Step 3: Add the Remaining Ingredients

Stir in the uncooked egg noodles, thawed meatballs, mushrooms, diced onion, and garlic. Make sure the noodles are submerged in the sauce as much as possible. They need to be in contact with the liquid to cook through properly.

⇢ Use cocktail-size homestyle meatballs (not Italian-style). They’re smaller, blend into the casserole better, and the flavor pairs well with the stroganoff sauce. If you can only find full-size meatballs, that’s fine (they’re just harder to eat since you can’t pop them right into your mouth!).

Step 4: Cover and Bake

Cover the dish tightly with aluminum foil and bake for 30 minutes. 

The foil traps steam, which is what cooks the uncooked noodles. Don’t skip it or lift it early.

Step 5: Check and Finish

Uncover and stir. Check the noodles at this point. They should be almost al dente (just a bit of firmness left). If they still feel quite hard, re-cover and bake for another 5 minutes before moving on.

In a small bowl, mix together the panko breadcrumbs and melted butter, then sprinkle the mixture evenly over the top.

Return the dish to the oven, uncovered, for about 5 more minutes until the noodles are fully cooked and the topping is lightly golden.

⇢ Want a crispier topping? Slide the dish under the broiler for 1-2 minutes at the very end. Keep a close eye on it, as the breadcrumbs can go from golden to burnt quickly.

Step 6: Rest Before Serving

Let the casserole sit for at least 5-10 minutes before scooping. The sauce thickens as it rests and the noodles continue to soften. Don’t rush this step (it makes a noticeable difference in consistency).

Garnish with chopped fresh parsley if you like a little color.

Recipe Variations

A few easy ways to make this your own:

Skip the breadcrumb topping. It adds great texture, but the casserole is delicious without it if you prefer a softer, saucier top. You could also swap in crushed Ritz crackers or crispy French fried onions for a different crunch.

Add cheese. Stir a cup of shredded mozzarella or Gruyere into the sauce before baking, or sprinkle it on top in place of (or under) the breadcrumbs.

Use ground beef instead of meatballs. For a totally hands-off option using meatballs in the slow cooker, Slow Cooker Meatball Stroganoff is worth a look.

What to Serve on the Side

This casserole is hearty on its own, but a simple side makes it feel like a full dinner. A few easy options:

• Amish Green Beans or Arkansas Green Beans
• Braised Red Cabbage (a traditional stroganoff pairing)
• Garlic Roasted Broccoli
• Oven Roasted Asparagus
• Brown Sugar Glazed Carrots

A green salad with Red Wine Vinegar Dressing or Dijon Vinaigrette and some Garlic Bread are always welcome on the side, too.

Loved this! So easy to make!

– Rebecca

Storing Leftovers

Refrigerator: Leftovers keep in an airtight container in the refrigerator for 3-4 days. Note that the noodles will continue to absorb liquid as they sit, so the dish will be thicker on day two. Add a splash of beef broth or water when reheating to loosen the sauce back up.

Reheating: Cover the dish loosely with foil and warm in a 325°F oven until heated through, about 20 minutes. Individual portions reheat well in the microwave in about 1 minute.

Freezer: Not recommended. The dairy-based sauce can separate or become grainy when thawed, and the noodles don’t hold up well after freezing.

Make-Ahead: This one doesn’t work well for advance prep. The uncooked noodles will absorb the liquid before baking even starts, leaving you with a very thick, unevenly cooked result. It’s best assembled and baked fresh.

Frequently Asked Questions

Why is my beef stroganoff casserole watery?

The most common culprit is too much liquid, usually from not measuring the broth. Stick to exactly 3 cups of beef broth and a large 22-ounce jar of Alfredo sauce. If it does come out thinner than you’d like, let the casserole rest uncovered for an extra 5-10 minutes; the sauce continues to thicken as it cools.

Can I use regular-size meatballs instead of cocktail-size?

Yes! They’re just a little harder to eat than the bite-size version. The more important detail is to make sure that you’re using “homestyle” or regular meatballs, rather than Italian-style meatballs.

Can I skip the breadcrumb topping?

Absolutely. The topping adds a nice texture contrast, but it’s completely optional. The casserole is creamy and satisfying without it. You can also swap in crushed Ritz crackers or French fried onions if you want something different.

Can I substitute the sour cream?

Full-fat Greek yogurt is the closest substitute and works reasonably well here. Heavy cream is another option if you want a richer, less tangy sauce. Use the same amount. The flavor will be slightly different either way, but the casserole will still be creamy.

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