Orzo Salad with Spicy Buttermilk Dressing

INGREDIENTS

• 1 cup uncooked orzo
• 1 cup frozen whole-kernel corn, thawed and drained
• 12 cherry tomatoes, quartered
• 3 green onions, sliced
• 1 (15-ounce) can black beans, rinsed and drained
• 1/4 cup low-fat buttermilk
• 3 tablespoons chopped fresh cilantro, divided
• 3 tablespoons fresh lime juice
• 2 tablespoons light sour cream
• 2 tablespoons canola mayonnaise
• 1 teaspoon chili powder
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1/4 teaspoon ground red pepper
• 2 garlic cloves, crushed
• 1 peeled avocado, cut into 8 wedges
• 1 tablespoon chopped fresh parsley