Rainbow Tomato & Pepper Caprese Salad

By Lauren Mitchell, Test Kitchen Director · Reviewed by AislePrompt Editorial · Published 2026-04-07 · Updated 2026-04-07

A fresh summer salad featuring heirloom tomatoes, roasted peppers, and a zesty lemon-herb dressing. This mediterranean-inspired salads (vegan, gluten-free) ready in about 15 minutes pairs heirloom tomatoes, roasted red bell pepper, 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 150 calories and feeds 4, 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 cups, chopped heirloom tomatoes
• 1, sliced roasted red bell pepper
• 1/4 cup, thinly sliced red onion
• 2 tbsp, chopped fresh mint
• 2 tbsp, chopped fresh parsley
• 3 tbsp olive oil
• 1 tbsp lemon juice
• 1/2 tsp dried oregano
• 1/4 tsp salt
• 1/8 tsp black pepper

Instructions

1. Step 1: In a large bowl, combine 2 cups chopped heirloom tomatoes, 1 sliced roasted red bell pepper, and 1/4 cup thinly sliced red onion.
2. Step 2: Whisk together 3 tbsp olive oil, 1 tbsp lemon juice, 1/2 tsp dried oregano, 1/4 tsp salt, and 1/8 tsp black pepper until emulsified.
3. Step 3: Pour dressing over tomato mixture and toss gently to coat. Stir in 2 tbsp chopped mint and 2 tbsp chopped parsley.
4. Step 4: Let sit for 10 minutes to allow flavors to develop before serving.