Microwave Cauliflower Au Gratin

Prep: 10 min Cook: 21 min Serves: 4 Cuisine: American

A creamy, cheesy cauliflower au gratin with a crispy bread crumb topping, perfect for comforting family dinners or potlucks, offering savory flavors and a tender texture.

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Ingredients

  • 2 (10 oz.) packages frozen cauliflower
  • 1/2 cup water
  • 1/3 cup butter or margarine
  • 1/3 cup chopped onion
  • 1/4 cup grated Cheddar cheese
  • 1/4 cup milk
  • 1 (10 oz.) can cream of mushroom soup
  • 1/2 cup Italian bread crumbs
  • 1/3 cup grated Parmesan cheese

Instructions

  1. In a casserole dish, combine the frozen cauliflower and water.
  2. Microwave for 12 minutes, covered.
  3. Let stand for 3 minutes.
  4. In another 3-quart casserole dish, melt the butter and cook the chopped onion in the microwave for 5 minutes, stirring once or twice.
  5. Drain the cooked cauliflower and add it to the butter and onion mixture, then stir to combine.
  6. Transfer the mixture to a 7 x 11-inch casserole dish or leave in the 3-quart dish.
  7. Sprinkle with Italian bread crumbs and grated Parmesan cheese.
  8. Microwave for 4 minutes until hot and bubbly.
  9. Serve hot.

Tips & Substitutions

For a creamier texture, consider adding a little extra milk or even some cream cheese to the mixture. If you're out of Parmesan, you can substitute with any hard cheese you have on hand. For added flavor, try adding garlic powder or spices like paprika. This dish can also be made with fresh cauliflower if you prefer, just adjust the cooking time accordingly.

Serving Suggestions

Serve this Microwave Cauliflower Au Gratin as a delightful side dish for grilled meats or alongside a fresh salad. It pairs beautifully with recipes like Good Dumplins or a simple roasted chicken. For a vegetarian option, consider a mixed vegetable medley on the side to round out the meal.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in the microwave for 1-2 minutes, stirring halfway through, until heated through. You can also bake it in the oven at 350°F for about 10-15 minutes until warmed, which helps retain its texture.

Nutrition & Diet Analysis (per serving)

Each serving of Microwave Cauliflower Au Gratin contains roughly 674 calories, with 17g protein, 66g carbohydrates, and 39g fat. It is an excellent source of calcium (44% of the Daily Value), protein (33% of the Daily Value), and iron (30% of the Daily Value). Note that it is relatively high in sodium, at 600mg per serving (26% of the Daily Value).

674 kcal 34% DV
Protein Fat Carbs

Macronutrients

Protein 16.7g 33% DV
Total Fat 38.5g 49% DV
Carbs 65.7g 24% DV
Fiber 1.3g 5% DV
Sugar 34.8g 70% DV

Electrolytes

Sodium 600mg 26% DV
Potassium 405.7mg 9% DV
Cholesterol 87.4mg 29% DV

Vitamins & Minerals

Vitamin A 208.8mcg 23% DV
Vitamin C 25.7mg 29% DV
Vitamin D 1.3mcg 7% DV
Calcium 571mg 44% DV
Iron 5.4mg 30% 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 use fresh cauliflower instead of frozen?

Yes, you can use fresh cauliflower! Just cut it into florets and steam it until tender before mixing it with the other ingredients. You may need to adjust the microwave time slightly to ensure it cooks through.

How can I make this recipe gluten-free?

To make this dish gluten-free, substitute the Italian bread crumbs with gluten-free breadcrumbs or crushed gluten-free crackers. Additionally, ensure that your cream of mushroom soup is certified gluten-free.

Can I make this dish ahead of time?

Absolutely! You can prepare the casserole up to a day in advance. Just cover it tightly and refrigerate. When you're ready to serve, you can microwave it or bake it until hot and bubbly.

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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