The Only Low-Carb Salad You Need This Summer – Cucumber Avocado Salad

Cucumber avocado salad is the summer side dish that effortlessly outshines every other option on the table. Cool, crisp cucumber slices and buttery chunks of ripe avocado come together in a bright lime and olive oil dressing that takes under 10 minutes to make and delivers a creamy, refreshing result every single time.

What makes this salad the ultimate low carb summer staple is its perfect balance of textures and flavors. The cucumber brings crunch and freshness, the avocado brings richness and creaminess, and the lime dressing ties everything together with just the right amount of brightness and tang.

Why This Is the Only Salad You Need This Summer

• Ready in 5 to 10 minutes with absolutely no cooking
• Naturally low carb with only about 5 to 6g net carbs per serving
• Creamy, crunchy, and bright all at once
• Pairs beautifully with anything off the grill or out of the oven
• Naturally gluten-free, vegan, and keto-friendly

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Cucumber Avocado Salad

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• Prep time: 10 minutes
• Cook time: 10 minutes
• Total time: 20 minutes

• Serves: 4

Cucumber Avocado Salad

Ingredients

For the salad:

• 2 large English cucumbers, diced or sliced into half-moons
• 2 ripe avocados, pitted and diced
• 1/3 cup red onion or scallions, thinly sliced
• 1/2 cup cherry tomatoes, halved (optional but recommended)
• 3 tablespoons fresh cilantro or parsley, chopped
• 2 tablespoons fresh mint, optional

For the lime dressing:

• 3 tablespoons extra virgin olive oil
• 2 tablespoons fresh lime juice or lemon juice
• 1 clove garlic, finely grated
• 1/2 teaspoon sea salt
• 1/4 teaspoon black pepper
• 1/4 teaspoon cumin, optional for warmth
• Pinch of red pepper flakes, optional

For finishing:

• Flaky sea salt
• Extra cilantro or parsley
• Lime wedges on the side

Tips for the Best Cucumber Avocado Salad

• Use perfectly ripe avocados that yield slightly to gentle pressure — overripe avocados turn mushy in the salad
• Add the dressing right before serving so the avocado stays bright and the cucumber stays crisp
• Lime juice is the best choice here; it brightens the avocado flavor in a way that lemon cannot quite match
• Keep avocado pieces large and rustic so they hold their shape when tossed
• Serve the salad in a chilled bowl on hot days for the most refreshing result
• Use fresh herbs generously — they are what give the salad its garden-fresh character
• Freshly cracked black pepper right before serving gives a clean, aromatic finish

Variations

• Feta version. Add crumbled feta cheese for a salty, tangy layer that works beautifully with the creamy avocado
• Tomato version. Add halved cherry tomatoes and a pinch of dried oregano for a more Mediterranean feel
• Creamy dressing version. Replace the olive oil with 2 tablespoons of mayonnaise or Greek yogurt whisked with lime juice for a richer, guacamole-inspired dressing
• Spicy version. Add thinly sliced jalapeño or a generous pinch of red pepper flakes to the dressing for a version with a satisfying kick
• Protein version. Add grilled shrimp, diced grilled chicken, or canned tuna to turn this into a complete low carb meal

How to Keep Avocado from Browning

The lime juice in the dressing slows oxidation significantly, but a few extra steps help if you need to prep ahead. Dice the avocado as close to serving time as possible, toss it immediately in the lime dressing before combining with the other ingredients, and cover the surface of any leftovers tightly with plastic wrap pressed directly against the avocado to limit air contact.

What to Serve with Cucumber Avocado Salad

This salad is the ultimate low carb summer pairing:

• Grilled chicken souvlaki skewers
• Baked cod with lemon butter
• Beef stir-fry or Korean BBQ
• Grilled salmon or shrimp
• Any summer cookout spread alongside burgers or grilled vegetables
• On its own as a light, satisfying lunch

Storage

This salad is best eaten immediately or within a few hours of dressing. If you need to store it, keep the dressing and avocado separate and combine right before serving. Leftovers can be stored covered in the refrigerator for up to 1 day, though the avocado will darken and soften.

Nutrition (Per Serving – approx., 1 of 4)

Values are approximate and may vary depending on the exact ingredients used.

FAQ

How do I know if my avocado is ripe enough?

A ripe avocado yields gently to pressure when squeezed in the palm of your hand and the skin is dark green to near-black. If it feels rock hard, leave it at room temperature for 1 to 2 days.

Can I make this salad ahead of time?

Prep the cucumber, onion, and dressing up to a day ahead and store separately. Dice the avocado and combine everything right before serving for the freshest result.

Is this salad keto-friendly?

Yes. With only about 5g of net carbs per serving, this salad fits comfortably within a keto or low carb eating plan.

Can I use lemon instead of lime?

Yes. Lemon works well and gives a slightly softer citrus note. Lime is more traditional and gives the most vibrant, punchy result.

What herbs work best in this salad?

Cilantro and mint are the most popular choices and give the freshest summer flavor. Parsley and basil also work beautifully for a more Mediterranean feel.