Ingredient:

• 1 cup uncooked orzo pasta
• 6 teaspoons olive oil, divided
• 1 medium red onion, finely chopped
• 1/2 cup minced fresh parsley
• 1/3 cup red wine vinegar
• 1-1/2 teaspoons dried oregano
• 1 teaspoon salt
• 1/2 teaspoon sugar
• 1/8 teaspoon pepper
• 2 large tomatoes, seeded and chopped
• 1 medium cucumber, peeled, seeded and chopped
• 12 pitted ripe or Greek olives, halved
• 1/2 cup crumbled feta cheese