Heart Healthy Tomato, Basil and Avocado Salad

(5.0)
By Judy Capodanno
Updated 12/12/2025
Dietitian Reviewed: Jane Schwartz, RDN, CLT
Approved for These Diets:
Heart Healthy | Gluten Free | Diabetic | Vegan | Vegetarian
Heart Healthy Tomato, Basil and Avocado Salad
Photo Credit: Baldwin Publishing Staff Photographer

Make the most of the season’s bounty with this refreshing and colorful salad. This recipe features heart-healthy avocado combined with fresh tomatoes, basil, garlic, and white balsamic vinegar. The best part? The healthy fats in the avocado are key to unlocking up to seven times more of the beneficial, heart-protective antioxidant lycopene found in the tomatoes. This makes this no-cook side dish a powerhouse of nutrition! Serve it chilled after allowing the flavors to meld, making it an excellent candidate for meal prep or taking to a summer potluck.

Total Time
15 minutes
Servings
4
Calories
117

What Makes This Heart Healthy Tomato, Basil and Avocado Salad Healthy

This salad is a nutrient-dense choice, thanks to the synergy between its core ingredients. The monounsaturated fats in the avocado act as a vehicle, significantly increasing the bioavailability of the antioxidant lycopene from the tomatoes. This combination makes it a highly effective anti-inflammatory and heart-healthy side dish that is naturally low in sodium and high in fiber.

Key Health Highlights

  • High in Monounsaturated Fats: Avocado provides heart-healthy fats that support cardiovascular health and nutrient absorption.
  • Excellent Source of Lycopene: Tomatoes are rich in this powerful antioxidant, which is essential for cell protection.
  • Rich in Fiber: The combination of tomatoes and avocado contributes dietary fiber, promoting healthy digestion and satiety.
  • Good Source of Vitamin C and Potassium: These nutrients support immune function and healthy blood pressure.
  • Naturally Low in Sodium: The dressing relies on vinegar, herbs, and spices rather than added salt.

FAQs About Tomato, Basil and Avocado Salad

You can prepare and mix the tomatoes, basil, onion, garlic, and vinaigrette up to 4 hours in advance. However, you must dice and add the avocado just before serving to prevent it from turning brown.

Yes, you can add a small amount of low-fat cheese like fresh mozzarella or feta. Just be sure to account for the added calories and saturated fat, and ensure the cheese is low-sodium if you are managing blood pressure.

Absolutely. Lemon juice is an excellent, bright, heart-healthy alternative to balsamic vinegar and is a  popular flavor variation. Use 1 tablespoon of fresh lemon juice in place of the white balsamic vinegar.

You can mellow the flavor of the diced red onion by soaking it in a small bowl of cold water for 10 minutes, then draining and patting it dry before adding it to the salad.

 

More Heart-Healthy Salad and Side Ideas

Quick & Fresh No-Cook Sides

These fresh and zesty side dishes are bright with flavor and are perfect sides or appetizers to serve when you want to minimize time at the stove.

Heart-Healthy Salads and Grain Bowls

Robust and Hearty Recipes

These salads star nutritional powerhouses like whole grains, beans, and root vegetables, seasoned to perfection.

What to Serve With This Heart Healthy Tomato, Basil and Avocado Salad

This salad is highly versatile and pairs well with light, grilled proteins.

Ingredients

Recipe yields 4 servings

Helpful How-To Video

Directions

  1. In a large bowl, mix all ingredients and stir gently. Chill, covered, for at least 1 hour before serving.

Nutrition Facts

Serving Size:
1/2 cup

117
Calories
7
g
Fat
0
mg
Cholesterol
6
mg
Sodium
12
g
Carbs
1
g
Sat. Fat
6
g
Fiber
2
g
Protein

Preparation and Variations

Here are some quick tips on maximizing the salad’s  flavor and texture:

  • Choose Ripe Ingredients: Ensure tomatoes are ripe but firm, and avocados yield slightly to pressure (but are not mushy).
  • Infuse Flavor: For maximum flavor, mix the tomatoes, onions, garlic, basil, and vinaigrette first, and allow them to marinate, covered and chilled, for at least one hour before serving. This process enhances the flavor infusion from the garlic and balsamic vinegar.
  • Prep Ahead: Dice and add the avocado as the final step just before serving, so it does not become brown.

Tomato, Basil and Avocado Salad Flavor Variations

  • Add Cucumber and Lemon: For a fresh twist, add 1 cup of peeled and diced English cucumber and an extra teaspoon of lemon juice.
  • Caprese Style: Add a half-cup of small, diced, low-sodium fresh mozzarella or low-fat feta cheese for a creamy, salty variation.
  • Spice Kick: Add a small pinch of red pepper flakes or a thin slice of jalapeño (seeds removed) to the salad to give it a mild heat.

Serving & Storage Tips

The salad is best served well-chilled after the flavors have melded for at least an hour.

  • Serving Suggestions: This salad is designed as a bright, heart-healthy side for grilled main dishes such as chicken, salmon, or steak. It is also perfect served with crusty whole-grain bread.
  • Short-Term Storage: Leftovers can be stored in an airtight container in the refrigerator for up to 1 day. Be aware that the avocado will likely oxidize (turn brown) after 8–12 hours, though it is still safe to eat.
  • Preventing Browning: To maximize freshness if serving later, toss the avocado cubes lightly with extra lemon juice or white balsamic vinegar before adding them to the salad.

Ingredient Substitutions

You can easily swap the yellow tomatoes for sun-dried tomatoes (use a small amount, drained of oil) or use more red cherry tomatoes.

While the avocado boosts this salad’s health benefits, you can swap it for chopped cucumber if you dislike the texture or flavor of avocado.

Use fresh lemon juice, red wine vinegar, or apple cider vinegar to keep the acidity.

Fresh mint is a surprisingly refreshing alternative that complements the tomatoes and adds a different flavor profile.

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