Watermelon Feta Flag Salad – Fustini's Oils & Vinegars

Ingredients

• 1/4 cup Fustini's West Michigan Blueberry balsamic
• 1 tablespoon Dijon mustard
• 1 tablespoon grated lemon zest
• 1 teaspoon sugar
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 1/3 cup Fustini’s Meyer Lemon olive oil
• 1/4 cup finely chopped red onion
• 6 cups fresh arugula (about 5 ounces)
• 1-1/2 cups fresh blueberries
• 5 cups cubed seedless watermelon
• 1 package (8 ounces) feta cheese, cut into 1/2-in. cubes