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    Home » Recipe » Appetizer » Sourdough Crostini

    Sourdough Crostini

    Published Sep 15, 2026 · Updated Sep 15, 2026 by Ginnie · Leave a Comment

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    Looking for sourdough bread recipes? You'll love this Sourdough Crostini! This easy recipe is a great way to use up leftover bread, and the tiny toasts are so crunchy and delicious. Add your favorite toppings (you'll find lots of ideas below) for the perfect snack or party appetizer!

    Slices of Sourdough Crostini stacked on top of each other.

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    Ginnie's Take

    Party season is just around the corner, and this Sourdough Crostini recipe is one of my go-to recipes for easy entertaining. These crispy toasts are as fun to make as they are to eat, and they're a great way to use up leftover sourdough bread. Choose your favorite toppings (you'll find lots of ideas below) for a delicious party appetizer!

    Why You'll Love This Recipe

    • Delicious - Tangy sourdough bread gives these mini toasts an extra tasty flavor, and their crispy texture holds up to any topping.
    • Easy to Make - This recipe is truly simple to make! Just slice the bread, brush with olive oil, sprinkle with salt, and bake.
    • Perfect for Parties - Crostini makes the best finger food for parties, and you'll love snacking on these tiny toasts, too. And I've rounded up tons of topping ideas for inspiration.
    Jump to:
    • Ginnie's Take
    • Why You'll Love This Recipe
    • Ingredients
    • How to Make Sourdough Bread Crostini
    • Topping Ideas
    • Storage
    • Related Recipes
    • Frequently Asked Questions (FAQs)
    • Sourdough Bread Crostini
    A closeup of the finished Sourdough Bread Crostini.

    Ingredients

    You need just a few basic ingredients to make this easy recipe:

    • Bread - You'll need some sourdough, of course! Baguettes are easiest to work with, but larger loaves can also be used.
    • Olive Oil - The bread is brushed with extra virgin olive oil before baking, which helps the tiny toasts crisp up and brown.
    • Salt - You'll season the crostini with a sprinkle of kosher salt.
    • Garlic (Optional) - This step is optional, but for extra flavor, I love rubbing the toasts with a halved garlic clove after baking.

    This recipe is naturally vegetarian, vegan, dairy free, and nut free!

    You'll Also Need

    Grab a sharp knife to slice the bread (serrated knives works best), a pastry brush for adding the olive oil, and a large sheet pan (or two) for baking the focaccia.

    Sourdough Crostini ingredients arranged together on a marble counter.

    How to Make Sourdough Bread Crostini

    This crunchy sourdough appetizer couldn't be easier to make! You'll find a detailed recipe card below, but here's a quick overview of the process:

    1. Slice bread. Start by thinly slicing the bread. If you're working with a larger loaf, cut the slices in half or quarters to make them smaller. Tip: The finished toasts should be just big enough for two small bites.
    2. Brush with oil. Place the toasts on a large baking sheet (or two), then brush them with extra virgin olive oil and sprinkle lightly with salt.
    3. Bake. Transfer the baking sheet to your oven, then cook the toasts until they are lightly browned and crisp throughout. No need to flip.
    4. Add toppings. Once the toasts have cooled, it's time to add your toppings!

    I used this Sourdough Bread Crostini to make this mouthwatering Pesto Ricotta Crostini! The toasts are topped with a delectable combo of creamy ricotta pesto sauce and fresh tomatoes. Yum!

    PRO TIP: To avoid soggy crostini, add toppings just before serving!
    A photo collage showing how to make Sourdough Crostini step by step.

    Topping Ideas

    There are so many delicious ways to top these Mini Sourdough Toasts! Here are some of my favorites:

    Recipes

    • Mushroom + Goat Cheese Crostini - A favorite with mushroom lovers!
    • Fresh Tomato Crostini - This easy topping tastes just like bruschetta!
    • Roasted Butternut Squash Crostini - This fall favorite is topped with fried sage leaves.
    • Goat Cheese and Hot Honey Crostini - An irresistible snack with a touch of sweet heat.
    • Avocado Tomato Crostini - If you're an avocado toast fan, you'll love this mini version!
    • Cranberry Blue Cheese Crostini - Especially wonderful for Thanksgiving and Christmas.
    • Peach Goat Cheese Crostini - A must make during peach season.
    • Brie + Fig Crostini - You'll love sophisticated sweet-savory flavors!

    More Toppings

    • Vegetables - Top with your favorite fresh, pickled, sautéed, or roasted veggies. A few of my faves: caramelized onions, Roasted Grape Tomatoes (or Cherry Tomatoes), roasted asparagus, Marinated Tomatoes, roasted sweet potatoes or carrots, mashed peas, sautéed or roasted bell peppers, marinated artichoke hearts, cauliflower, and more.
    • Fruit - Fresh or dried fruits also work great. Think: figs, apples, grapes, peaches, strawberries, blackberries, pears, citrus fruits, blueberries, and more. Try pairing fruit with cheese for a sweet-savory combo.
    • Jam - Gourmet jams (such as fig, caramelized onion, and fruit spreads) are also lovely. I like pairing jams with something savory.
    • Cheese - Of course, cheese makes an amazing topping. Try ricotta, feta, blue, brie, parmesan, goat, burrata, or fresh mozzarella. Cheese can be spread on the toasts, sliced, or sprinkled over other ingredients.
    • Pesto - Spread Pesto Sauce directly on crostini or drizzled it over other ingredients. Beyond basic basil, try other flavors, such as Rosemary, Trapanese, Macadamia, Kale, or Cilantro.
    • Dips - Use Crostini as a dunker for your fave dips and spreads. Try them with my Homemade Hummus,  Guacamole, Baked Ricotta Dip, Caramelized Onion Dip, Cream Cheese Dip, Whipped Goat Cheese, or Mexican Spinach Dip.
    • More - Add briny olives or tapenade, spread the toasts with homemade Roasted Garlic, or sprinkle them with capers, fresh herbs, or chopped nuts.
    A tray of Homemade Sourdough Crostini topped with pesto ricotta and sliced tomatoes.

    Storage

    You can make this Sourdough Crostini in advance, then store it an airtight container at room temperature. It will stay fresh for about two weeks, although the toasts taste best when eaten within a few days. You can also freeze the crostini for one to two months.

    Related Recipes

    Looking for similar ideas? Try my basic Crostini Recipe, yummy Garlic Crostini, and tasty Focaccia Crostini next! And you'll love these other sourdough recipes, too:

    • These easy Sourdough Croutons are the tastiest salad topper!
    • Craving comfort food? You will love this gooey Sourdough Grilled Cheese Sandwich.
    • This scrumptious Sourdough Bread Stuffing is one of Hello Little Home's most popular recipes. It's a must make during the holiday season!
    A tray of the homemade sourdough toasts.

    Frequently Asked Questions (FAQs)

    What is crostini?

    Crostini are thin slices of bread (usually from a baguette) that have been brushed with olive oil and baked until crisp. Served as an appetizer, these little toasts are paired with various toppings, such as cheeses, fruits and veggies, nuts, spreads, herbs, and nuts, or served alongside dips for dunking.

    Why is it called crostini?

    The word crostini means "little toasts" in Italian. The singular form of crostini is crostino.

    Are crostini served hot or cold?

    Crostini can be served hot, at room temperature, or cold, depending on the toppings. It's frequently eaten at room temperature, which makes it perfect for parties!

    Is crostini supposed to be hard?

    Crostini should be crunchy, but not so hard as to hurt your mouth. If your crostini is too hard to eat, try slicing your bread thinner (about ¼-inch thick is best), or choosing a bread with a lighter texture.

    What's the difference between crostini and bruschetta?

    Crostini and bruschetta are two types of Italian toast. Crostini is typically made from thin baguette slices that have been brushed with olive oil and baked until crunchy. Bruschetta, on the other hand, is usually made with rustic-style bread. It's sliced a little thicker, grilled, and rubbed with garlic. Because it's grilled, bruschetta often has a charred, slightly smokey flavor.

    The finished sourdough appetizer topped with pesto and tomatoes.
    A tray covered with slices of Sourdough Crostini.
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    Sourdough Bread Crostini

    Learn how to make the tastiest crostini with sourdough bread!
    Prep Time15 minutes mins
    Cook Time5 minutes mins
    Total Time20 minutes mins
    Course: Appetizer
    Cuisine: Italian
    Servings: 50 crostini
    Calories: 22kcal
    Author: Ginnie

    Ingredients

    • 1 (1 pound / 454 gram) sourdough baguette (see note)
    • 2 to 3 tablespoons extra virgin olive oil
    • kosher salt

    Equipment

    • Serrated Knife
    • Pastry Brush
    • Large Baking Sheet

    Instructions

    • Preheat oven to 425°F (220°C).
    • Using a serrated knife, cut 50 thin slices (¼-inch thick) from baguette.
    • Place sliced bread on a baking sheet in a single layer (you'll probably need more than one). Brush lightly with olive oil. Flip, then brush the other side with oil.
    • Sprinkle slices lightly with salt.
    • Bake for 5 to 10 minutes, or until crisp throughout and lightly golden (no need to flip).
    • Serve with your choice of toppings. Enjoy!

    Notes

    Slicing the Sourdough - Sourdough baguettes are easiest to work with, but you can use other loaf shapes, too. When you're slicing the bread, just keep in mind that each toast should be just big enough for 2 small bites. For larger loaves, start by slicing the bread ¼-inch thick, then cut the slices in halves or quarters (depending on the size of the loaf).
    Scaling the Recipe - This recipe is easy to scale up or down, depending on how many toasts you need. You should be able to get a least 50 crostini from a 1 pound (454 gram) baguette. It's also a great recipe for using leftover sourdough bread!
    Garlic Flavor - For garlic crostini, rub the toasts with the cut side of a halved garlic clove after baking.
    Toppings - You can top crostini with cheeses, fruits and veggies, jams and spreads, fresh herbs, and nuts. I used these toasts to make this delicious Tomato and Pesto Ricotta Crostini, but you'll find tons of other topping ideas in the post before this recipe card.

    Nutrition

    Calories: 22kcal
    Did you make this recipe?I love hearing from you! Leave a comment and rating below, or tag @HelloLittleHome or #hellolittlehome on Instagram!
    Closeup of the finished Sourdough Crostini recipe.
    Sourdough CrostiniSourdough Crostini
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    About Ginnie

    Ginnie is the creator of Hello Little Home! Since 2013, she has developed, written, and photographed everything you'll find on this website (from recipes to travel tips), all with you in mind. Ginnie loves trying new things (whether that’s creating delicious vegan + vegetarian recipes, exploring a new city, or trying a fun DIY project), and she hopes to inspire you to do the same! Read more about Ginnie and Hello Little Home.

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    Hi, I'm Ginnie! Welcome to Hello Little Home, which is all about inspiring everyday creativity! I'm excited to share my favorite things with you ... vegetarian recipes, travel inspiration, DIY projects, decor ideas, beauty and fashion tips, and more! Read more about me here!

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