Microwave Broccoli Casserole

Prep: 10 min Cook: 20 min Serves: 6 Cuisine: American

A quick and comforting microwave broccoli casserole combining tender broccoli, creamy cheese, and a hint of nutmeg, topped with crunchy croutons. Perfect for a wholesome weeknight dinner or a side dish that’s both flavorful and easy to prepare for family or gatherings.

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Ingredients

  • 1 1/2 lb. broccoli
  • 1/4 cup butter or margarine
  • 1 medium onion
  • 2 Tbsp. flour
  • 1/2 cup milk
  • 1 (8 oz.) jar processed cheese spread
  • 3 eggs
  • 1/4 tsp. salt
  • 1/4 tsp. nutmeg (optional)
  • 1/8 tsp. pepper
  • 1/2 cup crushed Cheddar cheese
  • croutons or herbed croutons

Instructions

  1. Cook broccoli with 1/2 cup water and 1/2 teaspoon salt for 8 to 10 minutes.
  2. Drain well and set aside.
  3. Cook chopped onion and butter uncovered for 2 to 3 minutes on High.
  4. Stir flour into the butter mixture.
  5. Cook for one minute on High.
  6. Gradually add milk, stirring constantly.
  7. Cook for one minute on High or until thickened.
  8. Add processed cheese spread and stir until well blended.
  9. Mix in cooked broccoli, slightly beaten eggs, salt, nutmeg (if using), and pepper.
  10. Cook for six minutes on High, stirring after 3 minutes.
  11. Stir the mixture again.
  12. Sprinkle crushed Cheddar cheese and croutons over the top.
  13. Cook uncovered for 6 minutes on High.
  14. Let stand for 5 minutes before serving.

Tips & Substitutions

For a richer flavor, consider using a mix of cheeses, such as sharp Cheddar or Gruyere, instead of just processed cheese spread. You can also substitute fresh garlic for the onion for added depth. If you're short on time, you can use frozen broccoli instead of fresh; just ensure it's thawed and drained well before adding it to the mixture.

Serving Suggestions

This broccoli casserole pairs beautifully with grilled chicken or fish for a complete meal. You can serve it alongside a fresh salad or crusty bread for added texture. For a vegetarian option, consider serving it with a side of roasted vegetables or a quinoa salad. It also makes a great side dish for gatherings or potlucks.

Storage & Reheating

Leftover broccoli casserole can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, microwave in 30-second intervals until heated through, stirring occasionally to ensure even warming. Alternatively, you can bake it in the oven at 350°F for about 15-20 minutes until hot.

Nutrition & Diet Analysis (per serving)

Each serving of Microwave Broccoli Casserole contains roughly 629 calories, with 11g protein, 72g carbohydrates, and 34g fat. It is an excellent source of vitamin C (105% of the Daily Value), dietary fiber (30% of the Daily Value), and protein (23% of the Daily Value), and a good source of calcium and potassium. Note that it is relatively high in sodium, at 699mg per serving (30% of the Daily Value).

629 kcal 31% DV
Protein Fat Carbs

Macronutrients

Protein 11.3g 23% DV
Total Fat 33.9g 43% DV
Carbs 71.6g 26% DV
Fiber 8.5g 30% DV
Sugar 4.6g 9% DV

Electrolytes

Sodium 699.1mg 30% DV
Potassium 518mg 11% DV
Cholesterol 108mg 36% DV

Vitamins & Minerals

Vitamin A 47.5mcg 5% DV
Vitamin C 94.8mg 100% DV
Vitamin D 0mcg
Calcium 139.3mg 11% DV
Iron 3.6mg 20% DV
Diet fit High-fiber
Contains Milk Egg Wheat/Gluten

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 make this casserole ahead of time?

Yes, you can prepare the casserole a day in advance. Just follow the recipe up to the point of cooking, then cover and refrigerate. When you're ready to serve, simply microwave or bake it as directed, adding a few extra minutes if it's cold from the fridge.

What can I use instead of processed cheese spread?

If you prefer a healthier option, you can substitute processed cheese spread with a blend of cream cheese and shredded cheese. This will give your casserole a creamy texture and rich flavor without using processed ingredients. Just make sure to melt the cream cheese first for easier mixing.

Can I add other vegetables to this casserole?

Absolutely! This recipe is versatile, so feel free to add other vegetables like cauliflower, carrots, or bell peppers. Just ensure that they are cooked until tender before mixing them in, as this will help achieve a balanced texture and flavor in the casserole.

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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