Overnight Broccoli Casserole

Prep: 15 min Cook: 30 min Cuisine: American

A creamy overnight broccoli casserole with crunchy pecans and water chestnuts, perfect for a comforting, make-ahead side dish that appeals to family and guests alike.

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Ingredients

  • 3 packages frozen broccoli, chopped
  • 1 stick margarine
  • 1 envelope Lipton onion soup mix
  • 1/2 cup chopped pecans
  • 1 can water chestnuts, chopped

Instructions

  1. Cook the broccoli as directed on the package, omitting salt.
  2. In a frying pan or microwave, melt 1 stick of margarine.
  3. Add the Lipton onion soup mix, chopped pecans, and chopped water chestnuts to the melted margarine.
  4. Add the mixture to the drained broccoli and mix well.
  5. Pour the mixture into a casserole dish.
  6. Cover and refrigerate overnight.
  7. Bake at 350°F for 30 minutes before serving.

Tips & Substitutions

For a creamier texture, consider adding a cup of sour cream or Greek yogurt to the broccoli mixture. You can substitute the margarine with butter or a plant-based spread for a richer flavor. If you don't have pecans, walnuts or almonds can be great alternatives. This dish is versatile; try incorporating other vegetables like cauliflower or carrots if desired.

Serving Suggestions

This casserole makes a fantastic side dish for holiday meals or family gatherings. It pairs beautifully with roasted meats or a fresh salad, like Doll Salad, to balance the richness. Consider serving it alongside Easter Tarts for a festive meal. Garnish with fresh herbs for added color and flavor.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, cover the casserole with foil and bake at 350°F for about 20 minutes, or until heated through. You can also microwave individual portions for convenience, ensuring they are heated evenly.

Nutrition & Diet Analysis (per serving)

Each serving of Overnight Broccoli Casserole contains roughly 327 calories, with 5g protein, 15g carbohydrates, and 29g fat. It is an excellent source of vitamin C (100% of the Daily Value), and a good source of dietary fiber. Note that it is relatively high in sodium, at 799mg per serving (35% of the Daily Value).

327 kcal 16% DV
Protein Fat Carbs

Macronutrients

Protein 4.7g 9% DV
Total Fat 29.1g 37% DV
Carbs 14.9g 5% DV
Fiber 3.4g 12% DV
Sugar 1.8g 4% DV

Electrolytes

Sodium 799.2mg 35% DV
Potassium 402.1mg 9% DV
Cholesterol 9mg 3% DV

Vitamins & Minerals

Vitamin A 40.1mcg 4% DV
Vitamin C 90mg 100% DV
Calcium 70.1mg 5% DV
Iron 1.2mg 7% DV
Diet fit Low-carb Under 400 cal
Contains Tree nuts

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 blanch it briefly in boiling water before adding it to the mixture to maintain its bright color and crisp texture. Fresh broccoli will require about 3-5 minutes of cooking time compared to the frozen variety.

Is this recipe suitable for vegan diets?

Yes, this recipe can easily be adapted for vegan diets by using a plant-based margarine and replacing the Lipton onion soup mix with a homemade version or a vegan alternative. Ensure the water chestnuts are also vegan-friendly.

Can I prepare this casserole in advance?

Absolutely! This casserole is perfect for prepping ahead of time. Prepare the mixture and store it in the refrigerator overnight, then bake it just before serving. This makes it an excellent dish for gatherings or busy weeknights.

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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