Baked Vegetable Casserole

Prep: 10 min Cook: 40 min Serves: 6 Cuisine: American

A hearty, cheesy baked vegetable casserole with crispy onion topping, perfect for family dinners and potlucks, offering comforting flavors and easy preparation.

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Ingredients

  • 16 oz. package frozen mixed vegetables
  • 1 can small French fried onion rings
  • 1 can cream of mushroom soup
  • 1 cup grated Swiss cheese
  • 1/3 cup sour cream

Instructions

  1. Combine the frozen mixed vegetables, small can of French fried onion rings, cream of mushroom soup, grated Swiss cheese, and sour cream in a mixing bowl.
  2. Mix thoroughly until all ingredients are well combined.
  3. Transfer the mixture to a baking dish and cover with foil.
  4. Bake at 350°F (175°C) for 30 minutes.
  5. Remove from oven, sprinkle another cup of grated Swiss cheese on top.
  6. Bake uncovered for an additional 5 to 10 minutes until cheese is melted and bubbly.

Tips & Substitutions

For a creamier texture, consider adding a splash of milk or using a different cream soup like chicken or celery. If you want to enhance the flavor, try adding garlic powder or Italian seasoning. If Swiss cheese isn't available, Gruyère or cheddar can be suitable substitutes. Frozen mixed vegetables can be swapped for fresh ones; just adjust the cooking time accordingly.

Serving Suggestions

This Baked Vegetable Casserole pairs beautifully with a side salad or crusty bread for a complete meal. For a heartier option, serve it alongside roasted chicken or grilled fish. It also makes a great side dish for gatherings and potlucks, complementing other American recipes like Aunt Minnie's Pancakes or Butterscotch Nut Bread.

Storage & Reheating

Allow the casserole to cool completely before storing leftovers in an airtight container in the refrigerator for up to three days. To reheat, place it in a preheated oven at 350°F (175°C) for about 15-20 minutes until heated through. You can also microwave individual portions for a quick meal.

Nutrition & Diet Analysis (per serving)

Each serving of Baked Vegetable Casserole contains roughly 469 calories, with 23g protein, 30g carbohydrates, and 29g fat. It is an excellent source of calcium (55% of the Daily Value), protein (46% of the Daily Value), and vitamin A (37% of the Daily Value).

469 kcal 23% DV
Protein Fat Carbs

Macronutrients

Protein 22.8g 46% DV
Total Fat 28.9g 37% DV
Carbs 30.3g 11% DV
Fiber 1.4g 5% DV
Sugar 3.8g 8% DV

Electrolytes

Sodium 396.1mg 17% DV
Potassium 240.5mg 5% DV
Cholesterol 69.5mg 23% DV

Vitamins & Minerals

Vitamin A 329.6mcg 37% DV
Vitamin C 1.4mg 2% DV
Calcium 715.7mg 55% DV
Iron 0.8mg 5% DV
Diet fit High-protein
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use fresh vegetables instead of frozen for this casserole?

Yes, fresh vegetables can be used, but you may need to steam or sauté them briefly to ensure they cook through in the casserole. Adjust the baking time as needed to allow for proper cooking.

Is it possible to make this dish vegetarian?

Absolutely! This recipe is already vegetarian-friendly. Just ensure that your cream of mushroom soup is vegetarian and consider using vegetable broth instead of any meat-based products if you choose to enhance the flavor.

Can I prepare this casserole ahead of time?

Yes, you can prepare the casserole up to the baking step, cover it tightly, and refrigerate it for up to 24 hours. When ready to bake, allow it to come to room temperature before cooking, or add a few extra minutes to the baking time if baking straight from the fridge.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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