Onions Parmesan

Prep: 20 min Cook: 30 min Serves: 4 Cuisine: Italian

Onions Parmesan is a savory baked dish featuring caramelized onions, melted mozzarella, and Parmesan cheeses, paired with toasted Italian bread—perfect for comforting family dinners or gatherings.

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Ingredients

  • 4 cups onion slices
  • 1/4 cup margarine
  • 1 1/2 cups shredded Mozzarella cheese
  • 3/4 cup grated Parmesan cheese
  • 1 can cream of mushroom soup
  • 3/4 cup milk
  • 8 Italian bread slices

Instructions

  1. Saute onion slices in 2 tablespoons of margarine.
  2. Spoon the onion mixture into an 11 3/4 x 7 1/2-inch baking dish.
  3. Top with 1 1/2 cups shredded Mozzarella cheese and 1/2 cup grated Parmesan cheese.
  4. Combine the cream of mushroom soup and milk.
  5. Pour the soup mixture over the cheese layer.
  6. Spread the remaining margarine on one side of each bread slice and sprinkle with the remaining Parmesan cheese.
  7. Place the bread slices, overlapping along each long side of the dish, leaving the center open.
  8. Bake at 350°F (175°C) for 30 minutes.
  9. To serve, place a bread slice on a plate and cover with the onion mixture.

Tips & Substitutions

For a richer flavor, consider using butter instead of margarine. You can also substitute the mozzarella with provolone for a more robust taste. If you want to reduce calories, use low-fat cream of mushroom soup and reduced-fat cheeses. Adding sautéed mushrooms or spinach can enhance the dish and provide additional nutrition, making it a great choice among vegetarian recipes.

Serving Suggestions

Serve the Onions Parmesan with a side of Garlic Bread Plus for a delightful combination. A simple green salad or roasted vegetables can complement the richness of the dish. For a more substantial meal, pair it with Italian Sandwiches, making for a satisfying lunch or dinner option.

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place the dish in an oven preheated to 350°F (175°C) for about 15-20 minutes or until heated through. Alternatively, individual servings can be microwaved on high for 1-2 minutes, but be careful not to overcook.

Nutrition & Diet Analysis (per serving)

Each serving of Onions Parmesan contains roughly 1772 calories, with 36g protein, 162g carbohydrates, and 110g fat. It is an excellent source of protein (72% of the Daily Value), iron (64% of the Daily Value), and calcium (52% of the Daily Value), and a good source of vitamin A and potassium. Note that it is relatively high in sodium, at 2520mg per serving (110% of the Daily Value).

1772 kcal 89% DV
Protein Fat Carbs

Macronutrients

Protein 35.9g 72% DV
Total Fat 110.1g 100% DV
Carbs 162.3g 59% DV
Fiber 5.9g 21% DV
Sugar 37g 74% DV

Electrolytes

Sodium 2520.5mg 100% DV
Potassium 652.3mg 14% DV
Cholesterol 17.7mg 6% DV

Vitamins & Minerals

Vitamin A 141.5mcg 16% DV
Vitamin C 8.6mg 10% DV
Vitamin D 0.8mcg 4% DV
Calcium 681.6mg 52% DV
Iron 11.6mg 64% DV
Diet fit High-protein High-fiber
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 make this dish ahead of time?

Yes, you can prepare the onion mixture and layer it in the baking dish, then cover and refrigerate for up to 24 hours before baking. Just add a few extra minutes to the baking time if it's coming straight from the refrigerator.

What can I use instead of cream of mushroom soup?

If you prefer a different flavor, you can substitute cream of mushroom soup with cream of chicken or a homemade béchamel sauce. For a vegetarian option, a creamy spinach soup could also work well, adding an extra layer of flavor.

Is there a way to make this dish gluten-free?

To make this recipe gluten-free, simply use gluten-free bread and ensure that the cream of mushroom soup is gluten-free as well. This will allow you to enjoy the dish without compromising on taste or texture.

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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