Vegetarian Tater Tot Hotdish

Section: Wholesome Meals for Every Day

This comforting vegetarian tater tot hotdish delivers a satisfying combination of flavors with a creamy, savory filling full of onion, celery, carrot, garlic, peas, corn, and optional white beans. The mixture gets a fresh kick from parsley and richness from mushroom soup. It’s topped with a layer of shredded Monterey Jack and Parmesan cheese, then finished with crisp, golden tater tots baked until bubbly. Simple to prepare and sure to please both vegetarians and meat lovers alike, this classic Midwest dinner makes for an easy, hearty meal, and leftovers keep well for several days.

Savor by Sophie official logo
Created By Sophie
Updated on Sun, 18 Jan 2026 12:01:27 GMT
A dish of food with a wooden spoon on the side. Save
A dish of food with a wooden spoon on the side. | savorbysophie.com

Vegetarian Tater Tot Hotdish is the kind of recipe that brings everyone to the table with a smile. This version transforms a classic Midwest comfort casserole into a meatless meal loaded with creamy veggies, savory mushrooms, plenty of cheese, and a blanket of golden tater tots on top. Whether you need a cozy family dinner or an easy crowd-pleaser, this dish will hit the spot.

My family first tried this hotdish one snowy evening when the cupboards were bare except for a bag of tater tots and a can of soup. We have made it countless times since, and it never fails to bring back that warm, content feeling.

Ingredients

  • Unsalted butter: for extra richness and helping veggies sauté evenly choose a European or high-fat butter for best results
  • Olive oil: brings a little fruity undertone and prevents scorching use a fresh bottle since old oil can turn bitter
  • Yellow onion: finely diced for mellowness look for firm heavy onions with shiny skins
  • Celery: diced for crunch and depth check for bright stalks and crispness
  • Carrot: diced for gentle sweetness and color go for small tight carrots for most flavor
  • Garlic: three cloves finely chopped for assertive savoriness use fresh garlic not jarred for best punch
  • Red pepper flakes: just enough for a touch of heat use flakes with bright color for potency
  • Salt and pepper: to taste for amplifying flavors kosher salt and freshly cracked pepper recommended
  • Frozen corn: adds juicy pops and mild sweetness grab a bag with whole kernels for best texture
  • Frozen peas: for their springy pop and hint of green sweetness petite peas are my favorite
  • Fresh parsley: chopped for brightness flat-leaf parsley usually has better flavor
  • Condensed cream of mushroom soup: provides earthiness and binds the filling try to use a high-quality or homemade version for depth
  • White beans (canned): optional but excellent for extra nutrition choose beans with no added salt so you can season yourself
  • Monterey Jack cheese: for melting creaminess buy a wedge and shred it yourself for the best melt
  • Parmesan cheese: freshly shredded to add an umami punch skip the powdery pre-grated tubs
  • Frozen tater tots: the essential crunchy topping use a brand you enjoy since tots are the star up top

Instructions

Preheat Oven:
Set your oven to 375 degrees Fahrenheit right away so it will be hot when your assembly is ready. If you are hoping to make this a true one-pan dish, choose a 10-inch cast iron or another oven-safe skillet.
Sauté Vegetables:
Add unsalted butter and olive oil to your skillet over medium to medium-high heat. When the butter is melted and the oil is shimmering, add diced onion, celery, and carrot. Sprinkle in a generous pinch of salt. Stir regularly and let them sweat together for three to five minutes until starting to soften and get fragrant. This early salt helps coax moisture from the veggies and starts building your flavor base.
Season and Add Garlic:
Toss in the chopped garlic along with a bit of red pepper flakes and more salt and pepper. Stir well and let everything cook for another three minutes. The goal is for the carrots to start yielding to the edge of your spoon and for all the aromatics to smell sweet and mellow. Now is the perfect time to add frozen corn and peas straight from the bag. Stir these in while the mixture is still hot so they start to defrost.
Combine Creamy Filling:
Take the pan off the heat. Add your chopped parsley and the condensed cream of mushroom soup right into the vegetables. Stir thoroughly so that the soup coats the vegetables evenly and makes everything cohesive. If you want more body and protein stir in the drained white beans at this stage. At this point the filling should look thick, creamy, and well blended.
Prepare Baking Dish and Add Cheese:
If your skillet is oven-safe use it as your baking dish and spread the creamy veggie filling in an even layer. If not transfer the filling to a greased eight by eight glass or similar baking dish. Over the top sprinkle shredded Monterey Jack cheese evenly followed by the Parmesan. Even distribution gives you cheesy flavor in every bite.
Top with Tater Tots:
Arrange the frozen tater tots in rows or a pattern you like so they completely cover the surface. No need to thaw just space them snugly for even browning.
Bake Until Golden:
Place the baking dish or skillet in your preheated oven. Bake for twenty-eight to thirty-three minutes or until bubbling at the sides and the tots are deeply golden and crisp. For best serving let the casserole rest about two to three minutes before spooning out portions so the filling can firm up slightly.
A bowl of food with a wooden spoon in it.
A bowl of food with a wooden spoon in it. | savorbysophie.com

There is something magical about using crispy tater tots as a topping. The cheese bubbles up to meet the tots and every bite has that delicious contrast of creamy filling and golden crunch. My favorite memory of this dish is making it after a long hike in Minnesota and everyone fighting over who got the extra crispy corners.

Storage Tips

For leftovers place in an airtight container and refrigerate. The hotdish is great for up to four days and tastes even better after the flavors sit overnight. To reheat scoop single portions into bowls and microwave or return the whole baking dish to a low oven until warmed through. Avoid freezing if cheese quality matters to you although the recipe can be made freezer-friendly if needed.

Ingredient Substitutions

If you want to change it up swap the cream of mushroom soup for cream of celery or even a homemade vegan roux. Cheddar cheese or a blend of mozzarella and sharp provolone work in place of Monterey Jack. You can use chickpeas instead of white beans or leave beans out altogether for a lighter dish.

Serving Suggestions

This hotdish pairs perfectly with a simple green salad or garlicky broccoli for balance. For a more filling dinner serve with warm rolls or crusty bread. Kids love this with a side of ketchup for dipping their tots. For a vegetarian potluck make double and bake in a nine by thirteen casserole dish.

Cultural and Historical Notes

The hotdish has deep Midwest roots and is often found at community gatherings and family tables especially in Minnesota. Traditionally it uses ground meat but this vegetarian version keeps the spirit alive for everyone. The use of tater tots on top is pure nostalgia and a beloved twist from the days of school cafeteria lunches.

Seasonal Adaptations

Swap in diced zucchini or sweet bell pepper in the summer. Use chopped kale for a wintertime green boost. Try butternut squash dice in place of carrots for fall flavor. You can always flex what veggies you have on hand. My trick is to add a touch more cheese if your filling feels dry.

Success Stories

Over the years I have shared this meal with new vegetarians and dedicated carnivores alike and it always disappears fast. Friends who had never heard of hotdish before asked for the recipe. It is the kind of comfort food that bridges the gap between what you grew up eating and new traditions.

Freezer Meal Conversion

Make the hotdish completely up until you top it with the tater tots. Wrap the assembled but unbaked dish tightly with plastic then foil and freeze. When you want to cook just add the tots straight from the freezer and bake at 350 degrees Fahrenheit for forty-five to sixty minutes until bubbly and crisp. I like to freeze smaller portions for quick lunches too.

A bowl of food with a wooden spoon in it.
A bowl of food with a wooden spoon in it. | savorbysophie.com

This is an easy weeknight dinner that will become a tradition in your home. Cozy, flexible, and always crowd-pleasing — it truly delivers that classic Midwest comfort with a veggie twist.

Common Recipe Questions

→ Can I prepare the hotdish in advance?

Yes! You can assemble the filling and cheese layer ahead of time, refrigerate up to 2 days, and add tater tots just before baking.

→ What vegetables can I use in the hotdish?

The hotdish uses a blend of onions, celery, carrots, peas, and corn, but you can add bell peppers, green beans, or spinach if desired.

→ Is there a substitute for condensed cream of mushroom soup?

You can use homemade mushroom sauce or substitute with a blended cream soup like celery or potato for a similar texture.

→ How can I make this dish gluten-free?

Choose gluten-free condensed soup and ensure the tater tots are certified gluten-free to accommodate dietary needs.

→ What's the best way to store leftovers?

Cool completely, then store in an airtight container in the fridge for up to four days. Reheat in the oven for extra crispiness.

→ Can I add protein to this hotdish?

Yes, white beans are an optional addition and add a protein boost while keeping the dish vegetarian.

Vegetarian Tater Tot Hotdish

Creamy, veggie-packed hotdish with golden tater tots and cheese, perfect for a cozy family dinner.

Preparation Time
15 mins
Time to Cook
30 mins
Overall Time
45 mins
Created By: Sophie

Recipe Type: Lunch & Dinner

Level of Expertise: Great for Beginners

Cuisine Style: Midwestern

Makes: 4 Portions

Dietary Needs: Plant-Based

Ingredients You’ll Need

→ Vegetable Base

01 1 tablespoon unsalted butter
02 1 tablespoon olive oil
03 75 grams yellow onion, diced
04 50 grams celery, diced
05 50 grams carrot, diced
06 3 cloves garlic, finely chopped

→ Seasonings

07 Pinch red pepper flakes
08 Salt, to taste
09 Black pepper, to taste

→ Vegetables and Beans

10 160 grams frozen corn
11 160 grams frozen green peas
12 2 tablespoons fresh parsley, chopped
13 425 grams canned white beans, drained and rinsed (optional)

→ Sauce

14 240 milliliters condensed cream of mushroom soup

→ Cheese and Topping

15 60 grams Monterey Jack cheese, shredded
16 25 grams Parmesan cheese, freshly shredded
17 30 to 34 frozen tater tots

How to Make It

Step 01

Preheat oven to 190°C. Use a 25-centimetre oven-safe skillet or prepare an 8x8 cm glass baking dish.

Step 02

Melt butter and heat olive oil over medium to medium-high heat in the skillet. Add diced onion, celery, and carrot. Cook for 3–5 minutes with a pinch of salt, stirring occasionally.

Step 03

Add finely chopped garlic, red pepper flakes, salt, and black pepper. Cook for an additional 3 minutes until vegetables are tender. Stir in frozen corn and peas.

Step 04

Remove skillet from heat. Stir in chopped parsley, condensed cream of mushroom soup, and white beans if using. Mix thoroughly until combined.

Step 05

If using the same skillet, spread the filling evenly. If transferring, pour mixture into a 2 or 3-litre baking dish. Sprinkle Monterey Jack and Parmesan cheeses evenly over the top, then arrange frozen tater tots in a single layer to cover completely.

Step 06

Bake for 28–33 minutes, until the filling is bubbling and tater tots are golden brown. Allow to rest for 2–3 minutes before serving.

Extra Tips

  1. Select cheeses labeled vegetarian to ensure suitability if required.
  2. Prepared vegetable filling can be refrigerated, covered, up to 2 days in advance. Top with tater tots just before baking.
  3. For freezer storage, cover assembled dish (with tater tots) tightly with plastic wrap and foil. Bake from frozen at 175°C for 45–60 minutes.

Recommended Tools

  • 25-centimetre oven-safe cast iron skillet
  • 8x8 cm or 9x9 cm glass baking dish

Allergen Details

Check all the ingredients to avoid allergens, and seek medical advice if you’re unsure.
  • Contains dairy from butter and cheeses.
  • Contains gluten in condensed cream of mushroom soup and tater tots, unless gluten-free versions are used.

Nutritional Info (Per Serving)

These nutrition details are for informational purposes only and shouldn’t replace professional dietary guidance.
  • Calories: 436
  • Fat: 17 g
  • Carbs: 53 g
  • Protein: 15 g