This cold green bean salad is a refreshing and vibrant dish, perfect for a light lunch or a side at your next gathering. The crisp green beans combined with juicy cherry tomatoes and the sharpness of red onion create a delightful medley of flavors. The zesty dressing ties everything together, making each bite a burst of freshness.
While most of the ingredients in this recipe are common, you might need to pay attention to dijon mustard. It's a bit different from regular mustard, offering a tangy and slightly spicy flavor that enhances the dressing. If you don't have it at home, make sure to grab a jar from the condiment aisle at the supermarket.

Ingredients For Cold Green Bean Salad
Green beans: Fresh and trimmed, these are the star of the salad, providing a crisp texture and vibrant color.
Cherry tomatoes: Halved to release their sweet and juicy flavor, they add a burst of color and freshness.
Red onion: Thinly sliced for a sharp, pungent bite that balances the sweetness of the tomatoes.
Olive oil: A rich, smooth oil that forms the base of the dressing, adding a subtle fruitiness.
Lemon juice: Freshly squeezed to provide a bright, tangy acidity that lifts the flavors of the salad.
Dijon mustard: Adds a tangy and slightly spicy note to the dressing, enhancing the overall flavor profile.
Garlic: Minced to infuse the dressing with a robust, aromatic flavor.
Salt: Enhances the natural flavors of the ingredients and balances the acidity of the lemon juice.
Black pepper: Freshly ground to add a hint of heat and depth to the salad.
Technique Tip for This Recipe
Blanching the green beans is a crucial step to maintain their vibrant color and crisp texture. To do this effectively, immediately transfer the green beans from the boiling water to an ice bath after cooking. This stops the cooking process and helps lock in their bright green hue. Make sure to dry the beans thoroughly before combining them with the other ingredients to prevent the dressing from becoming diluted.
Suggested Side Dishes
Alternative Ingredients
trimmed green beans - Substitute with asparagus: Asparagus has a similar texture and can be blanched to achieve the same crisp-tender bite as green beans.
halved cherry tomatoes - Substitute with grape tomatoes: Grape tomatoes have a similar sweetness and juiciness, making them a perfect alternative.
thinly sliced red onion - Substitute with shallots: Shallots offer a milder, slightly sweeter flavor that can complement the salad well.
olive oil - Substitute with avocado oil: Avocado oil has a similar healthy fat profile and a mild flavor that won't overpower the salad.
freshly squeezed lemon juice - Substitute with lime juice: Lime juice provides a similar acidity and brightness, adding a fresh tang to the salad.
dijon mustard - Substitute with whole grain mustard: Whole grain mustard has a similar tangy flavor with a bit more texture, adding an interesting element to the dressing.
minced garlic - Substitute with garlic powder: Garlic powder can provide a similar garlicky flavor, though it will be less pungent and more evenly distributed.
salt - Substitute with sea salt: Sea salt can provide a similar level of seasoning with a slightly different mineral profile.
freshly ground black pepper - Substitute with white pepper: White pepper offers a similar spiciness but with a slightly different flavor profile that can add a unique twist to the salad.
Other Alternative Recipes Similar to This Salad
How to Store / Freeze This Salad
To keep your cold green bean salad fresh and delicious, store it in an airtight container. This will help maintain its crispness and prevent any unwanted odors from seeping in.
Place the container in the refrigerator. The salad will stay fresh for up to 3 days. Beyond this, the green beans may start to lose their vibrant color and crisp texture.
If you plan to make the salad ahead of time, consider storing the dressing separately. Combine the green beans, cherry tomatoes, and red onion in one container, and the olive oil, lemon juice, dijon mustard, garlic, salt, and pepper in another. Mix them together just before serving to keep the vegetables from becoming soggy.
Freezing the cold green bean salad is not recommended. The texture of the green beans and cherry tomatoes will change significantly upon thawing, resulting in a mushy and less appetizing dish.
If you must freeze, blanch the green beans first. After boiling and cooling them, pat them dry and place them in a single layer on a baking sheet. Freeze until solid, then transfer to a freezer-safe bag. When ready to use, thaw in the refrigerator and combine with fresh cherry tomatoes and red onion before adding the dressing.
For best results, always use fresh ingredients. The lemon juice and dijon mustard in the dressing will help preserve the salad's flavor, but nothing beats the taste of freshly prepared vegetables.
If you notice any off smells or slimy textures, it's time to discard the salad. Freshness is key to enjoying the vibrant flavors of this cold green bean salad.
How to Reheat Leftovers
Gently steam the green beans in a steamer basket over simmering water for about 2-3 minutes. This will warm them up without making them mushy.
Sauté the green beans in a skillet with a splash of olive oil over medium heat for 3-4 minutes. This method will give them a slightly crispy texture while reheating.
Microwave the salad by placing it in a microwave-safe dish. Cover it with a damp paper towel and heat on medium power for 1-2 minutes. Stir halfway through to ensure even heating.
For a quick reheat, blanch the green beans again by briefly dipping them in boiling water for 1-2 minutes, then immediately transferring them to an ice bath to stop the cooking process. This will refresh their texture and warmth.
If you prefer a more integrated flavor, toss the salad in a warm pan with the dressing for about 2-3 minutes over medium heat. This will meld the flavors together while gently warming the salad.
Best Tools for This Recipe
Pot: Used to bring salted water to a boil for cooking the green beans.
Colander: Essential for draining the cooked green beans and rinsing them under cold water.
Large bowl: Used to combine the green beans, cherry tomatoes, and red onion.
Small bowl: Used to whisk together the olive oil, lemon juice, dijon mustard, garlic, salt, and pepper for the dressing.
Whisk: Necessary for thoroughly mixing the dressing ingredients.
Knife: Used for trimming the green beans, halving the cherry tomatoes, and thinly slicing the red onion.
Cutting board: Provides a safe surface for cutting and preparing the vegetables.
Measuring cups: Used to measure out the cherry tomatoes and olive oil.
Measuring spoons: Used to measure the lemon juice, dijon mustard, salt, and pepper.
Garlic press: Handy for mincing the garlic clove.
Tongs: Useful for tossing the salad to ensure the dressing coats all the ingredients evenly.
How to Save Time on Making This Salad
Blanch in advance: Cook the green beans ahead of time and store them in the fridge to save time on the day of preparation.
Pre-make the dressing: Whisk together the olive oil, lemon juice, dijon mustard, garlic, salt, and pepper in advance and store it in a sealed container.
Use pre-sliced onions: Buy pre-sliced red onions from the store to cut down on prep time.
Cherry tomatoes shortcut: Use a serrated knife to quickly halve multiple cherry tomatoes at once by placing them between two lids and slicing through the middle.

Cold Green Bean Salad
Ingredients
Main Ingredients
- 500 g Green beans trimmed
- 1 cup Cherry tomatoes halved
- 0.25 cup Red onion thinly sliced
- 2 tablespoon Olive oil
- 1 tablespoon Lemon juice freshly squeezed
- 1 teaspoon Dijon mustard
- 1 clove Garlic minced
- 0.5 teaspoon Salt
- 0.25 teaspoon Black pepper freshly ground
Instructions
- 1. Bring a pot of salted water to a boil. Add green beans and cook for 3-5 minutes until tender-crisp. Drain and rinse under cold water.
- 2. In a large bowl, combine green beans, cherry tomatoes, and red onion.
- 3. In a small bowl, whisk together olive oil, lemon juice, Dijon mustard, garlic, salt, and pepper.
- 4. Pour the dressing over the salad and toss to coat. Serve chilled.
Nutritional Value
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