Fiesta Onions


Handed down from my mother. This is a great salad for onion lovers and even those who don't care much for onions. I always get requests for this recipe. I prefer served at room temperature, but it holds well in the fridge a couple of days. Goes with any meal.

Prep Time:
10 mins
Additional Time:
5 hrs
Total Time:
5 hrs 10 mins
10 servings



  • ½ cup white vinegar

  • ½ cup water

  • ¾ cup white sugar

  • 6 Spanish onions, thinly sliced


  • ¾ cup mayonnaise

  • 1 tablespoon celery seed

  • salt and ground black pepper to taste


  1. Combine vinegar and water in a large bowl. Whisk sugar into the vinegar mixture until dissolved. Add onion slices and marinate at least 3 hours; drain.

  2. Whisk mayonnaise, celery seed, salt, and pepper together in a separate bowl; add to drained onion slices and fold to coat. Marinate at least 2 hours before serving.


The nutrition data for this recipe includes the full amount of the marinade ingredients. The actual amount of the marinade consumed will vary.

Nutrition Facts (per serving)

208 Calories
13g Fat
23g Carbs
1g Protein
Nutrition Facts
Servings Per Recipe 10
Calories 208
% Daily Value *
Total Fat 13g 17%
Saturated Fat 2g 10%
Cholesterol 6mg 2%
Sodium 98mg 4%
Total Carbohydrate 23g 8%
Dietary Fiber 1g 5%
Total Sugars 18g
Protein 1g
Vitamin C 5mg 27%
Calcium 30mg 2%
Iron 1mg 3%
Potassium 117mg 2%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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