Tuna Skewers with Cilantro and Pistachio Pesto

Ингредиенты

• 1 cup (250 ml) fresh cilantro
• 2 cloves garlic
• 1/4 cup (60 ml) whole pistachio
• 1/3 cup (75 ml) fresh Parmesan cheese, grated
• Zest and juice of 1/2 lime
• 3/4 cup (180 ml) olive oil
• Salt and pepper
• 1 1/2 lb (675 g) bluefin tuna, cut into 1-inch (2.5-cm) cubes
• 2 red bell peppers, cut into 1-inch (2.5-cm) cubes
• Fresh cilantro, for garnish 

• Chopped pistachios, for garnish 

• 8 wooden skewers, soaked in water for 30 minutes