Nduja (en-DOO-ya) is a soft, spreadable salami from Calabria, Italy, made with pork, Calabrian chili peppers, and spices. Its rich, fiery flavor makes it a perfect base for crostini—toasted bread slices topped with a smear of nduja and a few simple accompaniments. This recipe shows you how to build a genuinely useful, restaurant-worthy appetizer using store-bought nduja, balancing its heat with creamy cheese, bright acidity, and fresh herbs.
Ingredients
- 1 baguette (about 12 oz / 340 g), sliced into ½-inch (1.25 cm) rounds
- 3 tbsp (45 ml) extra-virgin olive oil, plus more for drizzling
- 4 oz (115 g) nduja, at room temperature (about ½ cup)
- 4 oz (115 g) fresh mozzarella or burrata, torn into small pieces
- 1 tbsp (15 ml) honey, preferably a mild variety like acacia or wildflower
- 1 tbsp (15 ml) red wine vinegar
- 1 small shallot, finely diced (about 2 tbsp / 20 g)
- 1 cup (30 g) baby arugula, roughly chopped
- Flaky sea salt, such as Maldon, to taste
- Freshly ground black pepper, to taste
- 2 tbsp (8 g) fresh basil or parsley, thinly sliced, for garnish
Instructions
- Preheat your oven to 400°F (200°C). Arrange the baguette slices on a baking sheet in a single layer. Brush both sides lightly with the olive oil.
- Bake the bread for 5–7 minutes, flipping once halfway, until golden and crisp. The crostini should be dry to the touch but not hard all the way through; they will continue to crisp as they cool. Set aside to cool slightly.
- In a small bowl, whisk together the red wine vinegar, a pinch of salt, and a few grinds of black pepper. Slowly whisk in 1 tablespoon (15 ml) of olive oil to make a simple vinaigrette. Add the diced shallot and let it sit while you prepare the toppings.
- In another small bowl, toss the chopped arugula with the shallot vinaigrette. Set aside.
- Spread about 1 teaspoon (5 g) of nduja onto each crostini. You can use a butter knife or the back of a spoon; the nduja should be soft enough to spread easily. If it’s too firm, let it sit at room temperature for 10 minutes.
- Top each crostini with a few pieces of mozzarella or burrata, then a small pile of the dressed arugula.
- Drizzle lightly with honey and a touch of olive oil. Finish with a sprinkle of flaky sea salt and the fresh basil or parsley. Serve immediately.
Tips
- Nduja consistency: If your nduja is too cold to spread, place the jar or package in a bowl of warm water for a few minutes, or microwave it in 5-second bursts until soft. Do not overheat it or it will separate.
- Bread choice: A crusty baguette or sourdough works best. Avoid soft sandwich bread, which will become soggy. If you prefer a gluten-free option, use a sturdy gluten-free baguette and bake a few minutes longer.
- Substitution: If you can’t find nduja, use a mixture of 2 parts finely chopped soppressata or chorizo with 1 part tomato paste and ½ teaspoon chili flakes, blended until spreadable. This will be less smoky and less spicy, so adjust the heat to taste.
- Common mistake: Don’t overload the crostini with toppings. A little nduja goes a long way; too much will make the bread soggy and overpower the other flavors.
Serving Suggestions
Serve these crostini as an appetizer with a crisp white wine like Pinot Grigio or a light Italian lager. They pair beautifully with a simple green salad or a bowl of marinated olives. For a heartier spread, offer them alongside a charcuterie board with cured meats, cheeses, and pickled vegetables.
Variations
- Roasted red pepper: Add a thin strip of roasted red pepper on top of the nduja for extra sweetness and color.
- Goat cheese: Replace the mozzarella with crumbled goat cheese for a tangier flavor that cuts through the heat.
- Balsamic glaze: Drizzle with balsamic reduction instead of honey for a more savory-sweet profile.
- Grilled version: Grill the bread slices on a grill pan or outdoor grill for 1–2 minutes per side until charred, then proceed with the recipe.
Storage and Reheating
These crostini are best assembled and eaten immediately, as the bread will soften once topped. If you have leftovers, store the components separately: keep the toasted bread in an airtight container at room temperature for up to 2 days, and refrigerate the nduja, cheese, and dressed arugula in separate containers for up to 2 days. To reheat the bread, place it in a 350°F (175°C) oven for 3–4 minutes until crisp. Reassemble fresh just before serving. Do not freeze assembled crostini, as the texture will suffer.
Frequently Asked Questions
What exactly is nduja? Nduja is a soft, spreadable salami from Calabria, Italy. It’s made with pork (usually including fat and sometimes liver), Calabrian chili peppers, and spices, then smoked and aged. It has a distinctive spicy, smoky flavor and a paste-like texture.
Is nduja safe to eat without cooking? Yes, nduja is a cured sausage, and like other salami, it is safe to eat as-is. However, it is high in fat and sodium, so enjoy it in moderation. If you are pregnant or have a compromised immune system, consult your doctor, as cured meats carry a small risk of foodborne illness.
Can I make this ahead of time? You can toast the bread and prepare the vinaigrette up to a day ahead. Keep the bread in an airtight container and the vinaigrette refrigerated. Assemble the crostini no more than 30 minutes before serving to keep the bread crisp.
What can I use instead of a baguette? Slices of sourdough, ciabatta, or even a sturdy gluten-free bread work well. Cut them to a similar thickness and adjust the baking time as needed.
How spicy is nduja? Spice levels vary by brand. Some are quite fiery, while others are milder. If you’re sensitive to heat, start with a small amount and taste. You can also mix nduja with a little softened butter to tone down the heat while keeping the flavor.
Can I use nduja in other recipes? Absolutely. Nduja is fantastic stirred into pasta sauces, spread on pizza, or melted into scrambled eggs. It adds a rich, spicy depth to many dishes.
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