No Southern picnic is complete without a cucumber, tomato, and onion salad.

Learn how to make cucumber, tomato, and onion salad.

Any leftovers can be whizzed up in your blender for an instant gazpacho.

Marinated Cucumber, Tomato, and Onion Salad

Credit:Hannah Zimmerman

When so few ingredients are used, you taste every single one of them.

But you have to wait 12 to 24 hours before this salad is ready to eat.

And that’s the hard part.

ingredients for cucumber tomato onion salad

Credit: Hannah Zimmerman/Southern Living

No worries, though!

Keep going, with a bit more leftover juice, and you’ve got gazpacho.

Or finish up the vegetables, and take the marinade for use as a fresh and effortless salad dressing.

cucumber, tomato, and onion salad

Credit:Hannah Zimmerman

This is the summer gift that keeps on going.

There are a few of our favorites:

Ingredients

2/3cup extra-virgin olive oil

2 1/2Tbsp.

sherry vinegar or red wine vinegar

1Tbsp.

brown marinade in a bowl

Credit: Hannah Zimmerman/Southern Living

dried herbes de Provence or Italian herb blend

1tsp.

Marinate:

Leave at room temperature for one hour.

Toss again, and taste for salt and pepper.

marinating cucumbers, tomatoes, and onions

Credit: Hannah Zimmerman/Southern Living

Adjust seasoning as needed.

Season and serve:

Let come to room temperature for 30 to 60 minutes before serving.

Top with optional minced herbs.

cucumber tomato and onion salad after marinating overnight

Credit: Hannah Zimmerman/Southern Living

Frequently Asked Questions

Yes, absolutely.

Cucumber and tomatoes are natural partners in a saladand we like them even more with onions.

This is up to you and what you prefer.

marinated cucumber tomato onion salad before serving

Credit: Hannah Zimmerman/Southern Living

English cucumbers have softer skins, so they’re OK to leave on.