1/2 pound uncooked orzo pasta
1/4 cup olive oil
1/3 cup red wine vinegar
1 teaspoon Dijon mustard
3/4 teaspoon garlic powder
3/4 teaspoon dried oregano
3/4 teaspoon dried basil
3/4 teaspoon onion powder
1/2 teaspoon salt
1/4 teaspoon ground black pepper
1/2 cup grape tomatoes, cut in half
1/4 cup black olives, cut in half lengthwise
2 ounces crumbled feta cheese
1 grilled chicken breast half, diced
2 red bell peppers, cut in half lengthwise and seeded
4 sprigs fresh oregano