Arugula Pineapple Salad

Ingredients

• 4 cups washed arugula
• 1 whole peeled and cored fresh pineapple
• 1 small red onion, thinly sliced
• 1/3 cup pine nuts, lightly toasted
• 3 ounces piave cheese or 3 ounces parmesan cheese, shaved
• salt and pepper
• For the dressing
• 3 tablespoons balsamic vinegar
• 1/2 teaspoon Dijon mustard
• 1/2 cup extra virgin olive oil
• 1 -2 tablespoon water (optional)