Creamy Vegetarian Tater Tot Casserole Recipe
This creamy vegetarian tater tot casserole is a comforting and hearty dish perfect for a family meal. It combines sautéed onions and garlic with a luscious cream of mushroom soup base, mixed vegetables, lentils, and sharp cheddar cheese, all topped with crispy golden tater tots baked to perfection. A delightful blend of textures and flavors that is easy to prepare and utterly satisfying.
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Total Time: 55 minutes
- Yield: 6 servings 1x
- Category: Casserole
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Scale
Casserole Base
- 2 tbsp unsalted butter, plus extra for the dish
- 1 medium yellow onion, diced
- 2 garlic cloves, minced
- 1 (10.5 oz) can condensed cream of mushroom soup
- ½ cup sour cream
- ½ cup whole milk
- 1 cup shredded sharp cheddar cheese, divided
- 1 (10 oz) bag frozen mixed vegetables
- 1 (15 oz) can lentils, drained and rinsed
- 1 tsp salt
- ½ tsp black pepper
Topping
- 1 (32 oz) bag frozen tater tots, not thawed
Instructions
- Prepare the Pan and Sauté Aromatics: Preheat your oven to 375°F and generously butter a 9×13-inch baking dish to prevent sticking. In a large skillet or pan, melt 2 tablespoons of unsalted butter over medium heat. Add the diced onion and sauté for about 5 minutes until it becomes translucent and fragrant. Then add the minced garlic and cook for an additional 30 seconds to release its aroma without burning.
- Create the Creamy Sauce: Lower the heat and whisk in the condensed cream of mushroom soup, sour cream, and whole milk. Stir continuously until the mixture is smooth and heated through, about 2 minutes. This creates a rich, creamy base that binds the casserole together.
- Mix in Vegetables, Lentils, and Cheese: Remove the pan from heat. To the creamy mixture, stir in the frozen mixed vegetables, drained and rinsed lentils, half of the shredded sharp cheddar cheese (½ cup), salt, and black pepper. This combination adds color, texture, and protein, enhancing the casserole’s nutritional profile.
- Assemble the Casserole: Spread the prepared filling evenly into the buttered 9×13 pan. Arrange the frozen tater tots in a single layer over the filling, ensuring full coverage for a crispy top layer.
- Bake and Finish: Place the casserole in the preheated oven and bake for 35 to 40 minutes, or until the tater tots are a deep golden brown and the filling is bubbling around the edges. If desired, sprinkle the remaining ½ cup shredded cheddar cheese over the top during the last 5 minutes of baking to melt and add extra cheesiness. Once baked, let the casserole rest for 5 minutes before serving to allow it to set and cool slightly.
Notes
- Do not thaw the tater tots before baking to ensure crispiness.
- You can substitute the lentils with cooked beans for variation.
- For a vegan version, replace butter, sour cream, and cheddar with plant-based alternatives.
- Adding spices like smoked paprika or thyme can enhance flavor complexity.
- Leftovers can be refrigerated for up to 3 days and reheated in the oven for best texture.
Keywords: vegetarian casserole, tater tot casserole, creamy casserole, lentil casserole, comfort food, easy vegetarian dinner
