Watermelon Blueberry Salad - Oryana

Ingredients

• 3 cups seedless watermelon, diced into 1/2 inch cubes
• 3 cups blueberries
• 1/4 red onion, thinly sliced
• 4 cups arugula
• 3/4 cup fresh basil, chiffonade* (optional)
• 1/4 cup extra virgin olive oil
• 1 tablespoon balsamic vinegar
• 1/2 cup crumbled feta cheese or more to taste
• 1/4 cup shelled pistachios, chopped
• Salt and freshly ground pepper to taste