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Me holding a piece of heirloom tomato bruschetta. The heirloom tomatoes are diced small and mixed with basil, red onion, garlic, olive oil and balsamic vinegar and placed on piece of crostini.

Heirloom Tomato Bruschetta


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Description

This Heirloom Tomato Bruschetta is the perfect summer appetizer. It’s fresh, light, and easy to throw together in minutes.


Ingredients

Scale
  • 23 heirloom tomatoes, diced small (any color variety)
  • 2 tablespoons red onion, minced
  • 2 garlic cloves, minced
  • 1 teaspoon kosher salt, divided
  • 1 teaspoon black pepper
  • 2 tablespoons fresh basil, torn or chiffonade
  • 3 tablespoons olive oil
  • 2 tablespoons balsamic vinegar
  • 1 tablespoon golden balsamic vinegar
  • 1/4 teaspoon crushed red pepper, optional
  • 12 slices baguette
  • 1 tablespoon olive oil
  • 1 garlic clove

Instructions

  1. Dice the tomatoes and add them to a bowl. Sprinkle with 1/2 teaspoon of the kosher salt and let them sit for 10 minutes to draw out excess moisture.
  2. While the tomatoes rest, prepare the remaining ingredients: mince the red onion and garlic, tear or chiffonade the basil.
  3. Add the onion, garlic, basil, olive oil, balsamic vinegar, golden balsamic, black pepper, and crushed red pepper (if using) to the tomatoes.
  4. Stir to combine and allow the mixture to sit for 10–15 minutes to allow the flavors to marry.
  5. Brush the olive oil onto both sides of the baguette slices and bake in the oven at 400°F (200°C) until golden brown. Optionally, air fry at 400°F (200°C) for 4 to 5 minutes, or until golden brown.
  6. Rub the toasted baguette with the garlic clove.
  7. Taste and adjust the tomatoes for salt, vinegar, or oil as needed before serving.
  8. Serve on top of crostini or Parmesan crisps.
  9. ENJOY!

Notes

  • Dice tomatoes small to help them hold onto the crostini.
  • Letting the tomatoes sit with salt helps draw out excess moisture and concentrate flavor.
  • Use a mix of colored heirloom tomatoes for the most visual appeal.
  • Chiffonade or tear the basil just before adding to prevent browning.
  • For a deeper flavor, let the tomato mixture rest up to 30 minutes before serving.
  • Toast baguette slices until golden for the best texture contrast.
  • Optional: rub the toasted bread with a cut garlic clove before topping.
  • Drizzle with balsamic glaze for extra sweetness and presentation.
  • Best served fresh, but can be stored in the fridge up to 2 days.
  • Stir before serving and taste for seasoning adjustments after chilling.
  • Prep Time: 15 minutes
  • Category: Appetizer, Lunch
  • Method: Easy
  • Cuisine: American, Italian