Roasted Veggie Crostini is my go-to appetizer whenever I want to impress guests or indulge in a healthy snack. This delightful dish combines crispy, golden-brown baguette slices topped with a colorful medley of roasted vegetables. Infused with the aromatic essence of garlic and fresh herbs, this dish is not only visually stunning but also incredibly versatile. Perfect for gatherings or as a light snack, it allows you to customize the toppings based on your preferences, making every bite a flavorful adventure.
Why You’ll Love This Roasted Veggie Crostini
This veggie crostini recipe is a favorite for many reasons. For starters, it is a healthy crostini with roasted vegetables that fits into various diets, including vegetarian and vegan. You can easily make it gluten-free by using an appropriate bread. Additionally, it’s a quick roasted vegetable appetizer that can be prepared in under 45 minutes, making it perfect for busy weeknights or last-minute gatherings. This dish also offers plenty of room for creativity—experiment with different seasonal vegetables or spices for unique flavors. It’s not just a feast for the taste buds but also a visual delight on any table.

Ingredients for Roasted Veggie Crostini
Gather these items:
- 1 baguette (sliced into ½-inch pieces)
- 1 cup bell peppers (mixed colors, chopped)
- 1 cup zucchini (thinly sliced)
- ½ cup red onion (chopped)
- 2 cloves fresh garlic (minced)
- 3 tbsp olive oil
- Fresh herbs (basil or parsley for garnish)
How to Make Roasted Veggie Crostini Step-by-Step
- Step 1: Preheat the oven to 400°F (200°C).
- Step 2: Brush baguette slices with olive oil and arrange on a baking sheet.
- Step 3: Toss bell peppers, zucchini, red onion, and garlic in a bowl with remaining olive oil; season with salt and pepper.
- Step 4: Spread vegetables on another baking sheet and roast for 20-25 minutes until tender.
- Step 5: Toast baguette slices in the oven for 8-10 minutes until golden brown.
- Step 6: Assemble crostinis by topping each bread slice with roasted veggies and garnishing with fresh herbs.
Pro Tips for the Perfect Roasted Veggie Crostini
Keep these in mind:
- Use fresh vegetables for the best flavor.
- Don’t overcrowd the baking sheet when roasting; it helps vegetables caramelize.
- Experiment with different herbs like thyme or rosemary for varied flavors.
- Consider adding cheese or a drizzle of balsamic glaze for a gourmet touch.

Best Ways to Serve Roasted Veggie Crostini
This oven-roasted vegetable appetizer can be served in numerous ways. Pair it with a light salad for a complete meal or serve it alongside dips like hummus or tzatziki for a more festive spread. For parties, consider making a platter with various toppings to let guests customize their grilled vegetable crostini.
How to Store and Reheat Roasted Veggie Crostini
If you have leftovers, store the roasted vegetables and toasted bread separately in airtight containers. This way, the bread stays crispy. When ready to enjoy, reheat the vegetables in the oven at 350°F (175°C) for about 10 minutes. This makes it a perfect quick roasted vegetable appetizer for meal prep or last-minute snacks.
Frequently Asked Questions About Roasted Veggie Crostini
What’s the secret to perfect Roasted Veggie Crostini?
The key is to ensure your vegetables are cut evenly and not overcrowded on the baking sheet. This allows them to roast evenly and avoid steaming. Using fresh herbs and quality olive oil also elevates the flavor.
Can I make Roasted Veggie Crostini ahead of time?
Absolutely! You can roast the veggies in advance and store them in the fridge for up to three days. Simply toast the baguette slices just before serving for that fresh crunch.
How do I avoid common mistakes with Roasted Veggie Crostini?
A common mistake is using too much oil or not seasoning the vegetables properly. Make sure to season generously and toss the veggies well in olive oil for a delicious flavor profile.
Variations of Roasted Veggie Crostini You Can Try
Feel free to get creative with your toppings! You can try adding roasted mushrooms, eggplant, or even a sprinkle of feta cheese for a Mediterranean twist. For a vegan option, consider using avocado or a spread made from chickpeas. Seasonal variations can also include roasted butternut squash in the fall or asparagus in the spring.
For more tips on healthy appetizers, check out this guide. If you’re interested in more vegetarian recipes, visit this page. You can also explore additional variations for more inspiration.
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Roasted Veggie Crostini: 5 Delicious Ways to Enjoy
- Total Time: 45 minutes
- Yield: Serves 4
- Diet: Vegetarian
Description
Roasted Veggie Crostini is a delightful appetizer that combines crispy, golden-brown baguette slices topped with a colorful medley of roasted vegetables. Infused with the aromatic essence of garlic and fresh herbs, this dish is visually stunning and versatile.
Ingredients
- 1 baguette (sliced into ½-inch pieces)
- 1 cup bell peppers (mixed colors, chopped)
- 1 cup zucchini (thinly sliced)
- ½ cup red onion (chopped)
- 2 cloves fresh garlic (minced)
- 3 tbsp olive oil
- Fresh herbs (basil or parsley for garnish)
Instructions
- Preheat the oven to 400°F (200°C).
- Brush baguette slices with olive oil and arrange on a baking sheet.
- Toss bell peppers, zucchini, red onion, and garlic in a bowl with remaining olive oil; season with salt and pepper.
- Spread vegetables on another baking sheet and roast for 20-25 minutes until tender.
- Toast baguette slices in the oven for 8-10 minutes until golden brown.
- Assemble crostinis by topping each bread slice with roasted veggies and garnishing with fresh herbs.
Notes
- Prep Time: 20 minutes
- Cook Time: 25 minutes
- Category: Appetizer
- Method: Oven Roasting
- Cuisine: Mediterranean
Nutrition
- Serving Size: 1 crostini
- Calories: 130
- Sugar: 2g
- Sodium: 200mg
- Fat: 7g
- Saturated Fat: 1g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 15g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 0mg
Keywords: Roasted Veggie Crostini