Tuna and Pickled Onion Crostini | Saveur

Ingredients

• 4 Tbsp. extra-virgin olive oil
• 2 Tbsp. salt-packed capers, soaked, drained, and finely chopped
• 12 pickled cocktail onions, drained and roughly chopped
• 8 small gherkins, finely chopped
• 1 Tbsp. red wine vinegar
• 1 Tbsp. finely chopped flat-leaf parsley
• 1 jarred roasted red pepper, chopped
• 2 (5-oz.) cans tuna in water, drained
• Kosher salt and freshly ground black pepper, to taste
• 28 thin slices baguette, toasted