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Tuscan Sun-Kissed Tomato & White Bean Crostini

A rustic, heart-healthy twist on a classic Italian appetizer. This recipe layers a sun-ripened tomato and herb topping over a creamy, savory white bean spread on a hearty whole-wheat sourdough base. It’s a celebration of simple, vibrant ingredients, perfectly balanced for flavor and nutrition.
Course Appetizer, Snack
Cuisine Mediterranean
Keyword Mediterranean appetizer recipe, Mediterranean tomato and bean bruschetta, White bean crostini with olive oil
Prep Time 20 minutes
Cook Time 10 minutes
Total Time 30 minutes
Servings 16
Calories 152kcal

Equipment

  • Large baking sheet or grill pan
  • Large mixing bowl
  • Mini food processor or bowl for mashing
  • Silicone pastry brush
  • Slotted spoon

Ingredients

  • 1 large whole-wheat sourdough baguette approx. 400 g, sliced into 16 half-inch rounds
  • 7 tbsp extra-virgin olive oil divided (3 tbsp for bread, 1 tbsp for bean base, 2 tbsp for topping, 1 tbsp final drizzle)
  • 3 medium garlic cloves divided
  • 1 15-oz can low-sodium cannellini beans, rinsed and well drained
  • 1 tbsp fresh lemon juice
  • 2 lbs ripe Roma tomatoes finely diced
  • ½ cup packed fresh basil leaves thinly sliced
  • ¼ cup finely diced red onion
  • ¼ cup pitted Kalamata olives finely chopped
  • 1 tsp balsamic vinegar
  • Zest of ½ lemon
  • Freshly ground black pepper
  • Small pinch flaky sea salt for garnish

Instructions

  • Preheat broiler to high with rack 6 in/15 cm from heat (or heat a grill pan over medium-high). Arrange bread on a baking sheet and brush both sides with 3 tbsp oil. Broil/grill 2–3 min per side until golden and crisp at the edges.
  • Rub the warm toasts on one side with 1 peeled garlic clove; set aside.
  • Bean base: In a mini food processor, pulse beans, lemon juice, 1 tbsp oil, and remaining 2 minced garlic cloves to a thick, rustic purée. Season with black pepper.
  • Tomato topping: In a large bowl, combine tomatoes, basil, red onion, olives, balsamic, and lemon zest. Drizzle with 2 tbsp oil and gently stir. Rest 10 min; if very juicy, drain briefly in a colander.
  • Spread a thin layer of bean purée on each toast.
  • Using a slotted spoon, top with tomato mixture.
  • Drizzle evenly with the remaining 1 tbsp oil, sprinkle a tiny pinch of flaky sea salt, and serve immediately.

Notes

 

  • Why Whole-Wheat Sourdough? This choice is intentional. The whole wheat provides essential dietary fiber, while the sourdough fermentation process can make nutrients more bioavailable and is often easier to digest.
  • Flavor without the Salt: Notice we don't add salt to the tomato mix. The rinsed Kalamata olives provide a perfect briny, savory element that seasons the topping beautifully without overloading it with sodium.
  • Don't Skip the Garlic Rub: This simple, classic Italian technique is a game-changer. It imparts a gentle, fragrant garlic essence into the bread that is much more nuanced than using garlic powder or adding it raw to the topping.
Nutrition Facts (per serving: 1 crostini; 16 servings)
Calories: 152 kcal; Total Fat: 6.6 g; Saturated Fat: 0.9 g; Sodium: 168 mg; Total Carbohydrates: 18.4 g; Dietary Fiber: 2.7 g; Total Sugars: 2.2 g (0 g added sugar); Protein: 3.7 g