Classic Tater Tot Casserole (The BEST!)

Name: Classic Tater Tot Casserole (The BEST!)
Prep time: 20 min
Cook time: 40 min
Total time: 60 min
Ingredients: Olive oil (to coat); 2 lbs. ground beef; 1 small yellow onion (chopped); 1 teaspoon Kosher salt; 1/2 teaspoon black pepper; 3/4 teaspoon garlic powder; 1 can cream of mushroom soup; 1 cup sour cream; 1 cup milk; 2 cans low sodium green beans; 2 cups shredded cheddar cheese; 1 32 oz. bag frozen tater tots; Additional Kosher salt (for serving)

Tater tot casserole is a classic baked comfort food made with seasoned ground beef, tender green beans, and a creamy, cheesy sauce, all topped with crispy golden tater tots. Everything is layered in a casserole dish and baked in the oven until hot and bubbly, with the tots turning perfectly crisp on top!

a spoon scooping a portion of tater tot casserole out of a casserole dish

Table of Contents

This post was originally posted in January 2013, and has been updated with new photos and content as of February 2026. The tried and true recipe is still the same!

Why You’ll Love Tater Tot Casserole

When I was 12, this classic tater tot casserole was my favorite meal on the planet! No hesitation. No close second. Nothing says high class quite like a casserole topped with tater tots, am I right? It’s basically a cheeseburger, only instead of a bun, you get crispy potatoes (and if you’re not currently imagining a cheeseburger on a tater tot bun, I don’t know what to tell you).

If you’ve ever made our cheesy ground beef pasta casserole, you already know we believe in hearty, family-style dinners that actually fill people up. This hamburger tater tot casserole brings that same cozy comfort, but with a crispy potato crown that really steals the show. Like our runza casserole, it feeds a crowd, kids love it, it reheats beautifully, and somehow tastes even better the next day when the flavors have had time to settle in together.

Courtney

Ingredients You’ll Need

tater tot casserole ingredients on a counter including ground beef, tater tots, green beans, seasonings, milk, and egg.

Olive oil: Helps brown the beef and onions evenly.
Ground beef: The hearty base. An 80/20 blend works well, just drain it very well.
Yellow onion: Adds sweetness and savory depth.
Kosher salt, black pepper, garlic powder: Critical for flavor. Season generously so the filling never tastes bland.
Cream of mushroom soup: The creamy backbone of the casserole.
Sour cream: Adds tang and richness.
Milk: Loosens the sauce so it spreads evenly.
Low sodium canned green beans: The traditional veggie layer in this casserole.
Shredded cheddar cheese: Melts into a gooey, slightly sharp layer that bubbles up around the edges.
Frozen tater tots: The crispy, golden topping that makes this dish what it is.

Simple Substitutions

Corn instead of green beans: Some families swear by corn. If that’s your tradition, go for it! Just drain it well.
Ground turkey: You can swap ground turkey for beef if you prefer. Just season really well since turkey is leaner and milder in flavor.
Cream of chicken soup: If you’re not a mushroom fan, cream of chicken works just as well in the sauce.
Frozen green beans: Use thawed or lightly steamed green beans instead of the canned beans.

How to Make Tater Tot Casserole with Green Beans

I briefly went down an internet rabbit hole researching other versions of this casserole – corn versus green beans, cheese versus French fried onions, tots on top versus mixed in. Let’s just say people have strong feelings. In the end, I stuck with my mom’s version. This green bean tater tot casserole comes together in about 20 minutes and is made with freezer and pantry staples, which is why it was a go-to for my parents and remains a go-to for me today.

Step 1: Brown the beef and onions. Preheat the oven to 400 degrees. Heat olive oil in a large skillet over medium-high heat. Add ground beef and onions, spreading them out. Brown for 3 minutes, flip, then continue cooking 7-8 minutes, stirring occasionally, until fully browned and onions are softened. Drain the fat. Excess grease is one of the main causes of a watery casserole. Season with salt, pepper, and garlic powder. Spread the meat mixture in a 9 x 13 inch pan.

the milk mixture and green beans poured into the casserole dish atop the ground beef

Step 2: Whisk together cream soup, sour cream, and milk. Pour evenly over the beef layer. Scatter green beans over the sauce, then sprinkle evenly with shredded cheese.

arranging the tater tots atop the green beans, ground beef, and cheese

Step 3: Arrange frozen tater tots in tight rows over the cheese. Don’t thaw them! Frozen tots crisp better because the exterior stays firm while the oven heat evaporates surface moisture. Lightly spray the tops with oil if you want them to be extra golden.

baked tater tot casserole right out of the oven

Step 4: Bake uncovered for 30-35 minutes, until bubbling around the edges and the tops are deeply golden. For extra crispiness, broil 2-3 minutes at the end.

Tips for Crispy Tater Tots

Bake at 400°F. This is the sweet spot for golden, crunchy tots without drying out the creamy filling underneath!
Bake uncovered. Covering the casserole traps steam, which softens the tots from underneath. Letting it bake uncovered allows moisture to evaporate so the tops stay nice and crisp.
Drain excess grease. Too much fat in the filling creates extra steam and leads to soggy potatoes, and nobody wants that.
Keep tots on top. Don’t mix them into the filling. Layering them on top protects their delicious texture.
Broil at the end. I like to switch to broiler mode for a few minutes at the end of the bake to give the tots some extra crunch.

a close up of tater tot casserole served in a blue dish.

Make Ahead + Freezer Instructions

To make ahead, assemble everything except the tater tots. Keep in the fridge for up to 2 days or freeze for up to 3 months. When ready to bake, thaw overnight if needed, then add the tots and bake as directed.
This recipe feeds about 10-12 people. You can divide it between two smaller pans and freeze one for later, just like we do with this make-ahead roasted broccoli cheese casserole or this ritz cracker chicken casserole. Same effort. Two dinners!

an up close photo of green bean tater tot casserole getting scooped out of a casserole dish

Recipe FAQs

Should you thaw tater tots before baking this casserole?

No need! Keep them frozen for the crispiest texture.

Can you freeze tater tot casserole?

Absolutely! Freeze without the tater tots, then add them fresh before baking.

This recipe has been a family favorite for decades, and after all these years, it still delivers that same creamy, crispy, straight-from-the-oven comfort! Every time I pull it out of the oven and hear that first crunch of golden tater tots, I’m right back at our family table at 12 years old, elbows on the table, probably talking too much, reaching for seconds before anyone else could claim them.

More Simple Ground Beef Dinners

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