Broccoli-Cheese-Onion Casserole

Prep: 10 min Cook: 30 min Serves: 6 Cuisine: American

A creamy broccoli casserole topped with cheese, crispy onion rings, and savory onion soup mix, perfect for comforting family dinners or potlucks.

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Ingredients

  • 2 packages frozen broccoli spears
  • 1 can cream of mushroom soup
  • 2/3 cup milk and water mixture
  • 1 cup shredded cheese
  • 1 to 2 teaspoons dry onion soup mix
  • 1 can French fried onion rings

Instructions

  1. Cook broccoli according to package instructions.
  2. Put the cooked broccoli in a casserole dish.
  3. Cover with shredded cheese, dry onion soup mix, and three-quarters of the French fried onion rings.
  4. In a separate bowl, combine cream of mushroom soup with milk and water mixture.
  5. Pour this liquid over the broccoli mixture.
  6. Cover the casserole dish and bake at 350°F for 25 minutes.
  7. Remove the cover from the casserole.
  8. Add the remaining onion rings on top.
  9. Bake uncovered for an additional 3 to 5 minutes until golden.

Tips & Substitutions

For added flavor, consider using a blend of cheeses such as cheddar and Monterey Jack. If you don't have dry onion soup mix, finely chopped onions can be sautéed and added for a fresher taste. Feel free to swap the frozen broccoli with fresh broccoli or another vegetable like cauliflower for a twist. This casserole can also be made ahead of time and baked just before serving.

Serving Suggestions

This Broccoli-Cheese-Onion Casserole pairs beautifully with a simple green salad or roasted chicken for a hearty meal. For a vegetarian option, serve alongside quinoa or brown rice. Consider adding a side of crusty bread to soak up the delicious sauce. For a comforting dessert, try serving with slices of Cranberry Apple Cake.

Storage & Reheating

Store leftover casserole in an airtight container in the refrigerator for up to 3 days. To reheat, cover the dish with foil and warm in a 350°F oven for about 15-20 minutes, or until heated through. You can also microwave individual portions for 1-2 minutes, ensuring they are heated evenly.

Nutrition & Diet Analysis (per serving)

Each serving of Broccoli-Cheese-Onion Casserole contains roughly 442 calories, with 9g protein, 66g carbohydrates, and 17g fat. It is an excellent source of calcium (28% of the Daily Value), iron (27% of the Daily Value), and vitamin C (25% of the Daily Value), and a good source of protein and vitamin A. Note that it is relatively high in sodium, at 715mg per serving (31% of the Daily Value).

442 kcal 22% DV
Protein Fat Carbs

Macronutrients

Protein 9g 18% DV
Total Fat 16.5g 21% DV
Carbs 65.6g 24% DV
Fiber 1.8g 6% DV
Sugar 34.2g 68% DV

Electrolytes

Sodium 715.3mg 31% DV
Potassium 328mg 7% DV
Cholesterol 12.3mg 4% DV

Vitamins & Minerals

Vitamin A 154.9mcg 17% DV
Vitamin C 22.7mg 25% DV
Vitamin D 1.1mcg 6% DV
Calcium 366.6mg 28% DV
Iron 4.8mg 27% DV
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 broccoli instead of frozen?

Yes, you can use fresh broccoli! Just steam it until tender before following the rest of the recipe. Fresh broccoli may require a slightly longer cooking time, so keep an eye on it to ensure it doesn't become mushy.

Can this casserole be made in advance?

Absolutely! You can prepare the casserole up to the baking step and store it covered in the refrigerator for up to 24 hours. When ready to bake, just pop it in the oven, adding a few extra minutes to the baking time if it's cold from the fridge.

What can I substitute for cream of mushroom soup?

If you prefer a different flavor, you can substitute cream of chicken soup or a homemade white sauce. For a vegetarian option, consider using a homemade cream of celery soup. Both alternatives will give you a deliciously creamy consistency.

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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