Creamy Baked Onions

Prep: 15 min Cook: 35 min Serves: 4 Cuisine: American

Creamy Baked Onions features tender onions in a rich, cheesy sherry sauce, perfect for elegant dinners or special occasions, appealing to cheese and onion lovers alike.

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Ingredients

  • 1/4 cup butter
  • 1 1/2 pounds whole onions, peeled
  • 1 1/2 cups sliced celery
  • 2 tablespoons flour
  • 1/4 teaspoon salt
  • 1 3/4 cups milk
  • 2 tablespoons dry sherry
  • 1/2 cup grated Parmesan cheese
  • 2 tablespoons Tabasco sauce

Instructions

  1. In a large skillet, melt butter and sauté onions until lightly brown.
  2. Stir in sliced celery; cook for 1 minute longer.
  3. Remove vegetables with a slotted spoon to a 1 1/2-quart casserole.
  4. In the same skillet, stir in flour and cook for 1 minute.
  5. Remove from heat and gradually add milk, stirring constantly.
  6. Stir in dry sherry and Tabasco sauce; return to heat.
  7. Cook over low heat, stirring until mixture boils and thickens.
  8. Stir in grated Parmesan cheese.
  9. Pour the sauce over the onions in the casserole.
  10. Bake in a preheated 350°F oven for 30 to 40 minutes until onions are tender.
  11. Serve hot.

Tips & Substitutions

For enhanced flavor, consider adding herbs like thyme or rosemary when sautéing the onions. If you need a gluten-free option, substitute the flour with cornstarch. Also, feel free to experiment with different cheeses such as Gruyère or cheddar for a twist. For a bit of extra heat, increase the Tabasco sauce to taste.

Serving Suggestions

Creamy baked onions make a great side dish for roasted meats or grilled vegetables. They pair beautifully with American recipes like barbecue chicken or steak. Consider serving alongside a fresh salad or crusty bread to soak up the delicious sauce for a complete meal.

Storage & Reheating

Store leftover creamy baked onions in an airtight container in the refrigerator for up to three days. To reheat, place in an oven-safe dish and cover with foil to prevent drying out. Heat in a preheated 350°F oven until warmed through, about 15-20 minutes.

Nutrition & Diet Analysis (per serving)

Each serving of Creamy Baked Onions contains roughly 805 calories, with 15g protein, 91g carbohydrates, and 43g fat. It is an excellent source of calcium (46% of the Daily Value), iron (44% of the Daily Value), and protein (29% of the Daily Value), and a good source of potassium. Note that it is relatively high in sodium, at 2642mg per serving (115% of the Daily Value).

805 kcal 40% DV
Protein Fat Carbs

Macronutrients

Protein 14.5g 29% DV
Total Fat 42.7g 55% DV
Carbs 91.2g 33% DV
Fiber 2.2g 8% DV
Sugar 50.7g 100% DV

Electrolytes

Sodium 2642.1mg 100% DV
Potassium 640.3mg 14% DV
Cholesterol 99.3mg 33% DV

Vitamins & Minerals

Vitamin A 239.1mcg 27% DV
Vitamin C 22.3mg 25% DV
Vitamin D 1.8mcg 9% DV
Calcium 592.4mg 46% DV
Iron 8mg 44% 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 make creamy baked onions ahead of time?

Yes, you can prepare the dish up to the baking step and refrigerate it for up to 24 hours. When you’re ready to bake, just add an extra 10 minutes to the cooking time to ensure it's heated through.

Can I use different types of onions?

Absolutely! While yellow onions are traditional, you can use sweet onions for a milder flavor or red onions for a hint of sweetness and color. Just keep in mind that cooking times may vary slightly depending on the onion type.

Is there a vegetarian option for this recipe?

Yes, this recipe is already vegetarian-friendly. To ensure it meets all dietary needs, just verify that the dry sherry you use is suitable for vegetarians, or substitute it with vegetable broth for a similar depth of flavor.

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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