Salad Pasta Bayam Yunani

Bahan-bahan (6 porsi)

• 3 cups baby spinach
• 1 pound cooked, rinsed, and cooled rotini pasta
• 1 ½ cups cucumber, (cut in half lengthwise and then into ¼-inch pieces)
• 1 pint halved cherry tomatoes
• 1 cup pitted and halved kalamata olives, (or black olives)
• ½ cup thinly sliced red onion, (about half an onion)
• 6 ounces crumbled feta cheese
• ½ cup extra virgin olive oil
• 2 teaspoons minced garlic
• 1 teaspoon dried oregano
• 1 teaspoon Dijon mustard
• ¼ cup red wine vinegar
• ½ teaspoon salt
• ½ teaspoon ground black pepper