Caramelized Pearl Onion Crostini

This rustic tomato and caramelized pearl onion crostini is a beautifully balanced appetizer, featuring crispy toasted baguette slices topped with a creamy ricotta and hummus spread. The sweetness of caramelized pearl onions pairs perfectly with juicy cherry tomatoes, while fresh parsley and edible flowers add a delicate finishing touch. Simple yet elegant, this dish is ideal for gatherings, brunches, or as a light starter.

Why You’ll Love This Recipe

• Perfect balance of flavors – The sweetness of caramelized onions, the freshness of tomatoes, and the creamy ricotta create a harmonious bite.
• Elegant yet simple – A refined appetizer that’s easy to prepare in under 20 minutes.
• Crispy and creamy texture – Crunchy baguette slices contrast beautifully with the smooth ricotta-hummus spread.
• Visually stunning – Edible flowers and colorful cherry tomatoes make it a show-stopping dish.
• Versatile and customizable – Can be adapted with different toppings and flavors.

Ingredients

(Tip: You can find the complete list of ingredients and their measurements in the recipe card below.)

• Baguette, sliced and toasted
• Ricotta cheese
• Hummus
• Cherry tomatoes (red & yellow), halved
• Pearl onions, thinly sliced and caramelized
• Olive oil
• Fresh parsley for garnish
• Edible flowers for decoration
• Salt & black pepper to taste

Directions

1. Prepare the baguette: Preheat the oven to 180°C (350°F). Slice the baguette into thin rounds and toast until golden brown and crisp, about 5-7 minutes.
2. Caramelize the onions: Heat 1 tbsp of olive oil in a pan over medium-low heat. Add thinly sliced pearl onions and cook, stirring occasionally, until they turn golden brown and soft, about 10 minutes. Set aside.
3. Make the spread: In a bowl, mix ricotta cheese and hummus until smooth and creamy.
4. Assemble the crostini: Spread the ricotta-hummus mixture onto each toasted baguette slice.
5. Add toppings: Top with halved cherry tomatoes and a spoonful of caramelized pearl onions.
6. Garnish: Sprinkle with fresh parsley, edible flowers, and a light drizzle of olive oil. Season with salt and black pepper to taste.
7. Serve immediately and enjoy!

Servings and Timing

• Servings: 6-8 crostini
• Preparation time: 10 minutes
• Cooking time: 10 minutes
• Total time: 20 minutes

Variations

• Cheese alternative: Swap ricotta for goat cheese or cream cheese for a tangier flavor.
• Sweet twist: Add a drizzle of honey or balsamic glaze for extra depth.
• Nutty crunch: Sprinkle toasted pine nuts or walnuts for a crunchy texture.
• Herb boost: Try adding fresh basil or chives for an extra layer of flavor.
• Spicy kick: Add a pinch of red pepper flakes for a touch of heat.

Storage/Reheating

• Storage: Store leftover crostini components separately. Keep the toasted bread in an airtight container at room temperature for up to 2 days, and refrigerate the ricotta-hummus mixture for up to 3 days.
• Make-ahead: Prepare the toppings and spread in advance. Assemble the crostini just before serving to maintain crispness.
• Reheating: If needed, re-toast the baguette slices in the oven at 160°C (320°F) for a few minutes before assembling.

FAQs

Can I use regular onions instead of pearl onions?

Yes, thinly sliced shallots or red onions caramelize beautifully and can be used as a substitute.

How do I prevent the crostini from getting soggy?

Assemble the crostini just before serving to keep the bread crisp.

What type of baguette works best?

A French baguette or Italian ciabatta works best for crostini, as they provide a firm, crispy base.

Can I make this recipe gluten-free?

Yes, use a gluten-free baguette or bread alternative.

Can I use store-bought caramelized onions?

Yes, but homemade caramelized onions will have a fresher, richer flavor.

What other spreads can I use?

Try using cream cheese, mascarpone, or herbed butter instead of the ricotta-hummus mix.

Are edible flowers necessary?

No, they are optional but add a beautiful decorative touch. You can also use microgreens.

Can I serve this with other appetizers?

Absolutely! These crostini pair well with charcuterie, bruschetta, and light salads.

How do I get perfectly caramelized onions?

Cook them low and slow, stirring occasionally, until they are soft and golden brown.

Can I add protein to this dish?

Yes, prosciutto, smoked salmon, or grilled shrimp make excellent additions.

Conclusion

Rustic tomato and caramelized pearl onion crostini is a simple yet elegant appetizer that brings together creamy, sweet, and savory flavors in every bite. Whether served at an Easter brunch, a dinner party, or a casual gathering, this colorful dish is sure to impress. With endless variations and easy preparation, it’s a must-try for any occasion!