Fresh Tomato and Avocado Salad with Lemon Vinaigrette

By Lauren Mitchell, Test Kitchen Director · Reviewed by AislePrompt Editorial · Published 2026-04-13 · Updated 2026-04-13

A light, refreshing salad featuring ripe tomatoes and creamy avocado, dressed in a zesty lemon-tarragon vinaigrette. This mediterranean-inspired salads ready in about 20 minutes pairs large, sliced tomatoes, diced avocado, thinly sliced red onion into a side that holds its own next to almost any main — bright, balanced, and quick enough to slot into a weeknight plate. Each serving lands at about 250 calories and feeds 2, so it slots cleanly next to roasted proteins, grain bowls, or weeknight mains. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 2 large, sliced tomatoes
• 1, diced avocado
• 1/4 cup, thinly sliced red onion
• 2 tbsp, chopped fresh basil
• 2 tbsp olive oil
• 1 tbsp lemon juice
• 1/2 tsp honey
• 1/4 tsp salt
• 1/4 tsp black pepper

Instructions

1. Step 1: In a small bowl, whisk together 2 tbsp olive oil, 1 tbsp lemon juice, 1/2 tsp honey, 1/4 tsp salt, and 1/4 tsp black pepper until emulsified.
2. Step 2: In a large bowl, combine 2 sliced tomatoes, 1 diced avocado, 1/4 cup thinly sliced red onion, and 2 tbsp chopped fresh basil.
3. Step 3: Pour the vinaigrette over the salad and toss gently with clean hands until all ingredients are evenly coated.
4. Step 4: Let sit for 5 minutes to allow flavors to meld, then serve immediately at room temperature.