Broccoli And Onion Casserole

Prep: 10 min Cook: 25 min Serves: 4 Cuisine: American

A creamy broccoli and onion casserole topped with cheddar cheese, perfect for family dinners or holiday gatherings, combining savory flavors with a cheesy crust.

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Ingredients

  • 2 pkg. frozen broccoli spears
  • 1 (8 oz.) can tiny onions
  • 3/4 cup mayonnaise
  • 1 tablespoon horseradish
  • 1/2 cup grated Cheddar cheese

Instructions

  1. Prepare broccoli spears according to package directions and leave in cooking pouches.
  2. Place broccoli pouches in a large casserole dish.
  3. Drain tiny onions and mix them with the broccoli spears.
  4. Combine mayonnaise and horseradish to make the sauce mixture.
  5. Spread the mayonnaise-horseradish mixture over the broccoli and onions in the casserole.
  6. Sprinkle grated Cheddar cheese on top of the casserole.
  7. Bake at 350°F until the cheese is melted and bubbly.

Tips & Substitutions

For a creamier texture, consider adding sour cream alongside the mayonnaise. If you're short on time, fresh broccoli can be substituted for frozen, but ensure it's blanched first. Using different cheese varieties, like mozzarella or pepper jack, can add unique flavors. Adjust the horseradish to suit your taste; for a milder dish, reduce the amount.

Serving Suggestions

This casserole pairs beautifully with a fresh green salad or crusty bread for a complete meal. For a heartier option, serve alongside grilled chicken or baked fish. It also works well as a side dish for holiday gatherings, complementing options like Mor Mors' Holiday Salad or Idaho Potato Soup.

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place the casserole in the oven at 350°F until warmed through, usually about 20-25 minutes. You can also microwave individual portions for convenience, ensuring they are heated evenly.

Nutrition & Diet Analysis (per serving)

Each serving of Broccoli And Onion Casserole contains roughly 605 calories, with 15g protein, 16g carbohydrates, and 55g fat. It is an excellent source of vitamin C (51% of the Daily Value), calcium (37% of the Daily Value), and protein (30% of the Daily Value), and a good source of dietary fiber. Note that it is relatively high in sodium, at 1028mg per serving (45% of the Daily Value).

605 kcal 30% DV
Protein Fat Carbs

Macronutrients

Protein 15.2g 30% DV
Total Fat 55.2g 71% DV
Carbs 16.2g 6% DV
Fiber 4.3g 15% DV
Sugar 9g 18% DV

Electrolytes

Sodium 1027.9mg 45% DV
Potassium 375mg 8% DV
Cholesterol 56.1mg 19% DV

Vitamins & Minerals

Vitamin A 208.2mcg 23% DV
Vitamin C 45.5mg 51% DV
Vitamin D 0.3mcg 2% DV
Calcium 475.2mg 37% DV
Iron 0.9mg 5% DV
Diet fit Low-carb
Contains Milk Egg

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, fresh broccoli can be used, but remember to blanch it in boiling water for about 3 minutes before mixing it with the onions. This step ensures that the broccoli cooks evenly and retains its vibrant color during baking.

Is there a way to make this dish vegan?

To make a vegan version, replace the mayonnaise with a plant-based alternative and use nutritional yeast instead of cheese for a cheesy flavor. Additionally, ensure the horseradish used is vegan-friendly, as some brands may contain animal products.

How can I make this casserole spicier?

For a spicier kick, increase the amount of horseradish or add a dash of cayenne pepper or crushed red pepper flakes to the mayonnaise mixture. You can also mix in some diced jalapeños for an extra layer of heat.

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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