Cucumber Onion Salad in a white bowl.

Cucumber Onion Salad Recipe

  • Author: Christine Pittman
  • Prep Time: 10 minutes
  • Refrigerate: 1 hour 30 minutes
  • Cook Time: 0 minutes
  • Total Time: 1 hour 40 minutes
  • Yield: 4 servings 1x
  • Category: Side Dish
  • Method: Marinate
  • Cuisine: American


This simple Cucumber Onion Salad makes for a refreshing side dish. A couple hours rest time means you can prep it ahead of time!


  • 1/2 cup white vinegar
  • 3/4 cup water
  • 1 and 1/2 tsp. salt
  • 1 Tbsp. + 2 tsp. sugar
  • 1 large English cucumber, sliced into 1/4-inch coins
  • 1/4 sweet onion, sliced thin
  • 1 Tbsp. chopped fresh dill (optional)


  1. In a medium bowl stir together vinegar, water, salt, and sugar until salt and sugar dissolve. Transfer mixture to a 9×13-inch baking dish.
  2. Add cucumbers and onions to baking dish, toss with vinegar mixture. Distribute cucumbers with as little overlap as possible. Cover and refrigerate 1 and ½ to 2 hours.
  3. Remove baking dish from refrigerator, uncover. 
  4. Using a slotted spoon, transfer cucumbers and onions to a serving bowl.
  5. Drizzle a few tablespoons of the vinegar mixture over the cucumbers before serving. If desired, garnish with fresh chopped dill.

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The vinegar mixture can be used to pickle or marinate other vegetables, meat or seafood, or used in a salad dressing.