This Cucumber Avocado Tomato Salad is an easy, flavorful side perfect for warm weather. It’s low-carb friendly and fits Paleo, Whole30, gluten-free, and vegan diets when prepared accordingly.

Avocado Cucumber Salad
This bright garden salad is one of my favorite summer dishes. Crisp cucumbers and juicy tomatoes are combined with creamy avocado, red onion, fresh basil, olive oil, and lime juice for a simple, refreshing side. It’s perfect alongside grilled proteins or served on its own.
The recipe is naturally gluten- and dairy-free and can work for vegan, Paleo, and Whole30 diets. To make it more keto-friendly, simply reduce the amount of tomatoes.

Cucumber Avocado Tomato Salad Ingredients
You only need a few fresh ingredients to make this summer salad:
- Cucumbers
- Tomatoes (use fewer for a lower-carb version)
- Avocado
- Red onion
- Fresh basil
- Olive oil
- Lime or lemon juice
- Salt
How to make Cucumber Avocado Salad
Chop the cucumbers and tomatoes into bite-sized pieces, dice the red onion and avocado, and finely chop the basil. Place everything in a large bowl, drizzle with olive oil, squeeze fresh lime or lemon juice over the top, and gently toss to combine. Season with salt to taste. That’s all—this salad comes together in minutes.

Tips for the best Cucumber Avocado Tomato Salad
This is a flexible base you can adapt to different flavor profiles:
- Mediterranean: Replace lime with lemon, add feta and dill or pesto.
- Italian: Use balsamic vinegar and garlic, then add mozzarella.
- Fiesta: Swap basil for cilantro, and add corn and black beans.
- Protein-packed: Stir in chickpeas for extra protein.
- Pasta salad: Add cooked pasta and Kalamata olives for a heartier dish.
What should I serve with Avocado Salad?
This salad pairs beautifully with grilled or roasted proteins. Try it alongside roasted salmon, on top of a salmon toast, or as a fresh topping for grilled chicken. It’s equally enjoyable on its own, tossed over greens, or served with grains or bread.
More Healthy Recipes
- Keto Tzatziki
- Greek Quinoa Salad
- Balsamic Vinegar and Roast Tomato Marinara
- Keto Tuscan Chicken and Asparagus
- Homemade Pineapple Salsa
Cucumber Avocado Tomato Salad

Ingredients
- 1 pound cucumbers, about 3 cups, 2 large cucumbers
- 1 pound tomatoes, about 3 cups, 3-4 tomatoes
- 1/2 pound avocado, about 2 avocados
- 3 oz red onion, 1/5 medium onion
- 1/4 cup basil
- 2 tablespoons lime juice, 1 lime
- 2 tablespoons olive oil
- 1 teaspoon salt
Instructions
- Cut cucumbers and tomatoes into bite-sized pieces. Dice the red onion and avocado. Finely chop the basil.
- Place the vegetables and herb into a bowl, drizzle with olive oil and squeeze fresh lime on top.
- Gently toss to combine.
- Sprinkle with salt and enjoy.
Notes
Net carbs are approximately 8 g per serving.
Nutrition
Nutrition information is an approximation.
Additional Info
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