Marinated Onions

Prep: 180 min

Marinated onions offer a tangy, slightly sweet flavor with a hint of celery seed aroma, perfect as a fresh side or topping for salads and sandwiches. Their vibrant taste and crisp texture make them a versatile addition for those seeking a quick, flavorful, and colorful accompaniment.

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Ingredients

  • 2 medium Vidalia onions
  • 1 cup water
  • 1/2 cup sugar
  • 1/4 cup white vinegar
  • 1 tablespoon mayonnaise
  • 1 teaspoon celery seeds
  • lettuce leaves

Instructions

  1. Slice onions and separate into rings.
  2. Combine water, sugar, and vinegar; stir until sugar dissolves.
  3. Pour the mixture over the onion rings.
  4. Cover and chill for at least 3 hours; then drain.
  5. Stir in mayonnaise and celery seeds.
  6. Serve on lettuce leaves.

Tips & Substitutions

For a tangier flavor, consider adding a splash of lemon juice or swapping the white vinegar for apple cider vinegar. If you prefer less sweetness, reduce the sugar by a quarter cup. Ensure the onions are thinly sliced for better marination. If you don't have mayonnaise, Greek yogurt can be a great substitute for a creamier texture. This dish can elevate a summer BBQ or a fresh Salad Recipe.

Serving Suggestions

These marinated onions make a delightful topping for sandwiches, burgers, or tacos. They pair beautifully with grilled meats and can also be a vibrant addition to a salad. Serve them on a bed of lettuce leaves for a light appetizer or alongside your favorite dishes for a burst of flavor. They are a perfect complement to dishes like Candlestick Salad.

Storage & Reheating

Store any leftover marinated onions in an airtight container in the refrigerator for up to a week. The flavors will continue to develop, making them even tastier over time. Avoid freezing, as the texture of the onions may become mushy upon thawing. To refresh, simply drain and serve chilled or at room temperature.

Nutrition & Diet Analysis (per serving)

Each serving of Marinated Onions contains roughly 68 calories, with 1g protein, 14g carbohydrates, and 1g fat. It is an excellent source of vitamin C (24% of the Daily Value).

68 kcal 3% DV
Protein Fat Carbs

Macronutrients

Protein 1.2g 2% DV
Total Fat 1.2g 1% DV
Carbs 14.2g 5% DV
Fiber 2.6g 9% DV
Sugar 0g

Electrolytes

Sodium 11.9mg 1% DV
Potassium 148.7mg 3% DV

Vitamins & Minerals

Vitamin C 21.8mg 24% DV
Calcium 15.8mg 1% DV
Iron 0.4mg 2% DV
Diet fit Low-carb Under 400 cal Low-fat
Contains Egg

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 other types of onions for this recipe?

Yes, while Vidalia onions are preferred for their sweetness, you can use red onions or yellow onions if needed. Red onions will add a vibrant color, while yellow onions will provide a sharper flavor. Just remember to adjust the sugar based on your taste preference.

How long do the marinated onions need to sit?

The onions should marinate for at least 3 hours to develop flavor, but for best results, let them sit overnight. This allows the sugar and vinegar to penetrate the onions fully, enhancing their taste. If you're in a hurry, even a shorter marination will still yield delicious results.

Can I make this recipe vegan?

Absolutely! Simply substitute the mayonnaise with a vegan mayonnaise or a cashew cream for a creamy texture. The other ingredients are already vegan-friendly, making this a simple adjustment. This way, you can enjoy a vibrant side dish that fits into your vegan recipes.

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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