Asparagus-Cauliflower Au Gratin

Prep: 15 min Cook: 20 min Serves: 6 Cuisine: American

Creamy and cheesy, this asparagus-cauliflower au gratin offers a comforting vegetable side with a crispy bread crumb topping, perfect for family dinners and special occasions.

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Ingredients

  • 10 oz. frozen asparagus pieces
  • 10 oz. frozen cauliflower
  • 1 cup cream of celery soup
  • 1 cup shredded American cheese
  • 1/2 cup milk
  • 1 teaspoon prepared mustard
  • 1 teaspoon Worcestershire sauce
  • 1/2 cup bread crumbs

Instructions

  1. Cook frozen asparagus and cauliflower according to package directions. Drain.
  2. Combine cream of celery soup, shredded American cheese, milk, prepared mustard, and Worcestershire sauce in a large saucepan.
  3. Heat the mixture slowly over medium heat, stirring constantly until the cheese is melted and the sauce is smooth.
  4. Add the cooked vegetables to the sauce and mix well.
  5. Pour the vegetable and sauce mixture into a 1 1/2-quart casserole dish.
  6. Mix bread crumbs with melted butter.
  7. Sprinkle the bread crumbs around the edges of the casserole.
  8. Bake at 375°F (190°C) for 20 minutes until golden brown and bubbly.

Tips & Substitutions

For a richer flavor, consider adding grated Parmesan cheese to the sauce or mixing in sautéed onions or garlic with the vegetables. If you don't have cream of celery soup, cream of mushroom or chicken soup can be good substitutes. To make this dish lighter, you can use low-fat cheese and milk without sacrificing taste.

Serving Suggestions

Serve this Asparagus-Cauliflower Au Gratin as a delightful side dish alongside grilled chicken or baked fish. It also pairs beautifully with a simple salad or crusty bread. For a complete vegetarian meal, consider serving it with quinoa or a hearty grain dish. Browse more vegetarian recipes for additional meatless options.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to three days. To reheat, place in an oven-safe dish and bake at 350°F (175°C) until warmed through, about 15-20 minutes. You can also microwave individual portions for quicker reheating, but the oven will help maintain crispness.

Nutrition & Diet Analysis (per serving)

Each serving of Asparagus-Cauliflower Au Gratin contains roughly 593 calories, with 6g protein, 36g carbohydrates, and 47g fat. It is an excellent source of calcium (20% of the Daily Value), and a good source of iron and vitamin C. Note that it is relatively high in sodium, at 695mg per serving (30% of the Daily Value).

593 kcal 30% DV
Protein Fat Carbs

Macronutrients

Protein 6.2g 12% DV
Total Fat 47.3g 61% DV
Carbs 36g 13% DV
Fiber 0.9g 3% DV
Sugar 20.5g 41% DV

Electrolytes

Sodium 694.5mg 30% DV
Potassium 308.7mg 7% DV
Cholesterol 131.1mg 44% DV

Vitamins & Minerals

Vitamin A 96.2mcg 11% DV
Vitamin C 17.4mg 19% DV
Vitamin D 0.7mcg 3% DV
Calcium 265.1mg 20% DV
Iron 3.3mg 19% DV
Contains Milk 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 prepare this dish in advance?

Absolutely! You can assemble the dish ahead of time, cover it, and refrigerate it for up to 24 hours before baking. Just be sure to add a few extra minutes to the baking time if it goes into the oven cold.

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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