This vegetarian tater tot casserole is the ultimate comfort food! Packed with beans and veggies, then topped with gooey cheese and crispy tater tots, this recipe is perfect for a quick and easy weeknight dinner or weekend brunch!

tater tot casserole
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Alex and I were both born and raised in the Midwest, meaning we’ve had our fair share of tater tot casseroles. While many variations (such as a classic Minnesota Hot Dish) use cream of mushroom soup and lots of cheese, I wanted to keep this version a little lighter. I kept the classic tater tot topping, but I was able to fill this recipe with a lot of vegetables and beans to keep it on the healthier side. This tater tot casserole is great for breakfast, brunch, or dinner!

Ingredients & Substitutions

  • Olive oil: used to sauté the onion and bell peppers until they are softened. Substitute with avocado oil or butter.
  • Onion: A little onion adds a savory flavor to the base of the casserole. Feel free to substitute with 3 small shallots.
  • Red and green bell peppers: These provide color, flavor, and texture to the casserole. You can substitute these with any other bell pepper color.
  • Pinto beans: Beans add protein and fiber to the casserole. Feel free to substitute with black beans or kidney beans.
  • Diced tomatoes: I used diced tomatoes with green chilies but if you don’t want this to be spicy, you can use regular diced tomatoes or fire-roasted diced tomatoes.
  • Ground cumin: adds a warm, earthy flavor to the casserole.
  • Paprika: adds a mild smokiness and color to the casserole. Substitute with smoked paprika or chili powder to add heat.
  • Garlic powder: adds flavor and depth to the casserole. Substitute with fresh minced garlic.
  • Shredded cheddar cheese: adds richness and flavor to the casserole. Substitute with other shredded cheese, such as mozzarella, pepper jack, or a vegan cheese alternative.
  • Tater tots: These potato puffs create the top layer of the casserole and provide a crispy texture.

How to Make a Vegetarian Tater Tot Casserole