Fresh Heirloom Tomato Salad with Herbs and Red Onion
Fresh Heirloom Tomato Salad is a simple, crisp dish that brings summer to your plate. I make this every weekend during tomato season. The trick I discovered is using room-temperature olive oil for better flavor. Fresh, juicy, and full of herbs. Try this quick Lemon Parmesan Lettuce Salad for an easy healthy dinner. Jump to Recipe If you love recipes like this, you’ll also enjoy Quick Lemon Parmesan Lettuce Salad for Easy Healthy Dinners and Mediterranean Chickpea Salad with Feta and Fresh Herbs.
Why This Fresh Heirloom Tomato Salad with Herbs and Red Onion Is Pure Comfort
- crisp texture
- bright flavor
- easy to make
- perfect for summer
What You'll Need for Fresh Heirloom Tomato Salad with Herbs and Red Onion
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- 4 large heirloom tomatoes
- 1/2 medium red onion
- 1/4 cup extra virgin olive oil
- 2 tablespoons apple cider vinegar
- 1/4 cup chopped fresh basil
- 1/4 cup chopped fresh parsley
- 1 teaspoon chopped garlic
- salt to taste
- freshly ground black pepper
- 1/4 teaspoon red pepper flakes (optional)
- Optional: grated Parmesan cheese
- Optional: crusty bread
- Optional: fresh mozzarella cubes
📝 Ingredient Notes
- heirloom tomatoes: Use a mix of colors for visual appeal.
- red onion: Thinly slice and soak in cold water for 10 minutes to reduce sharpness.
- olive oil: Use a high-quality oil for best flavor.
- apple cider vinegar: Adds brightness and helps season the tomatoes.
- herbs: Fresh herbs make a big difference. Use a mix of basil and parsley for balance.
🛒 Tools & Equipment I Recommend
- Chef's Knife — A sharp knife makes slicing tomatoes and onions faster and cleaner. → See on Amazon
- Cutting Board — A sturdy cutting board prevents slipping and protects your countertops. → See on Amazon
How to Make Fresh Heirloom Tomato Salad with Herbs and Red Onion
- Prepare the tomatoes: Wash and dry the tomatoes. Cut them into 1/4-inch slices.
- Slice the onion: Thinly slice the red onion. Soak in cold water for 10 minutes to soften the bite.
- Mix the dressing: In a small bowl, whisk together olive oil, vinegar, garlic, salt, pepper, and red pepper flakes if using.
- Assemble the salad: In a large bowl, toss the tomatoes and onions with the dressing. Add the herbs and stir to combine.
- Chill and serve: Let the salad sit for 10 minutes to let the flavors meld. Serve chilled or at room temperature.
Cook's Tips for Perfect Fresh Heirloom Tomato Salad with Herbs and Red Onion
- Best technique: Use room-temperature olive oil for better flavor absorption.
- Common mistake and fix: Using too much vinegar can overpower the fresh tomato flavor. Start with 2 tablespoons and adjust as needed.
- Seasonal tip: This salad is best made with in-season tomatoes for the best flavor.
- Storage tip: Keep the salad in an airtight container in the fridge for up to 2 days.
Storing & Reheating Fresh Heirloom Tomato Salad with Herbs and Red Onion
Short-Term Storage
Store in an airtight container in the fridge. Store in an airtight container in the fridge for up to 2 days. Make-ahead tip: Make up to 1 day in advance. Toss again before serving.
Recipe Notes
- Chef tip: Use a mix of heirloom tomatoes for color and flavor variety.
- Best substitution: If you don't have apple cider vinegar, use white wine vinegar instead.
- Make-ahead: This salad is best fresh, but it can be made ahead and kept in the fridge.
- Scaling: Double the recipe for a larger crowd.
- Troubleshooting: If the salad is too wet, drain the tomatoes on paper towels for 10 minutes before mixing.
Want to level up this recipe?
Mixing Bowl — A large mixing bowl makes it easy to toss the salad ingredients evenly. → Check price on Amazon
Fresh Heirloom Tomato Salad with Herbs and Red Onion
Ingredients
Main Ingredients
- 4 large heirloom tomatoes
- 1/2 medium red onion
- 1/4 cup extra virgin olive oil
- 2 tablespoons apple cider vinegar
- 1/4 cup chopped fresh basil
- 1/4 cup chopped fresh parsley
- 1 teaspoon chopped garlic
Seasonings
- salt to taste
- freshly ground black pepper
- 1/4 teaspoon red pepper flakes (optional)
Optional Toppings
- grated Parmesan cheese
- crusty bread
- fresh mozzarella cubes
Instructions
- Prepare the tomatoes: Wash and dry the tomatoes. Cut them into 1/4-inch slices.
- Slice the onion: Thinly slice the red onion. Soak in cold water for 10 minutes to soften the bite.
- Mix the dressing: In a small bowl, whisk together olive oil, vinegar, garlic, salt, pepper, and red pepper flakes if using.
- Assemble the salad: In a large bowl, toss the tomatoes and onions with the dressing. Add the herbs and stir to combine.
- Chill and serve: Let the salad sit for 10 minutes to let the flavors meld. Serve chilled or at room temperature.
Notes
- Chef tip: Use a mix of heirloom tomatoes for color and flavor variety.
- Best substitution: If you don't have apple cider vinegar, use white wine vinegar instead.
- Make-ahead: This salad is best fresh, but it can be made ahead and kept in the fridge.
- Scaling: Double the recipe for a larger crowd.
- Troubleshooting: If the salad is too wet, drain the tomatoes on paper towels for 10 minutes before mixing.
Storage
- Fridge: Store in an airtight container in the fridge for up to 2 days.
- Make ahead: Make up to 1 day in advance. Toss again before serving.
Nutrition Per Serving
- Calories: 160
- Protein: 2g
- Fat: 12g
- Carbs: 10g
- Fiber: 2g
- Sugar: 5g
- Sodium: 180mg
- Cholesterol: 0mg
- Sat. Fat: 2g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Fresh Heirloom Tomato Salad with Herbs and Red Onion FAQs
Yes, you can make the salad up to 1 day in advance. Toss again before serving to redistribute the dressing.
Tomatoes can release water when mixed. To prevent this, let the tomatoes drain on paper towels for 10 minutes before adding them to the dressing.
Yes, you can use white wine vinegar or balsamic vinegar as a substitute. Adjust the amount to taste.
Yes, you can add crumbled feta or grated Parmesan for extra flavor. Add it just before serving.
Add grilled shrimp, grilled chicken, or a slice of crusty bread for a heartier meal.
A Warm Final Note
I can’t wait for you to try Fresh Heirloom Tomato Salad with Herbs and Red Onion and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!
