Tagliatelle with Arugula and Tomatoes

Ingredients

• 450 g / 1 lb tagliatelle
• 2 leeks, white part only, sliced thinly
• 1 small hot pepper, minced
• 45 ml / 3 tbsp olive oil
• 500 ml / 2 cups grape tomatoes
• To taste salt and freshly ground pepper
• 2 bunches arugula, trimmed and rinsed
• 250 g / 8 oz Mozzarella di Bufala cheese, diced
• 250 ml / 1 cup fresh basil leaves, shredded