Ingredient:

• 1 cup fresh or frozen corn, thawed
• 1/2 cup chopped red onion
• 1 small sweet red pepper, chopped
• 2 jalapeno peppers, seeded and minced
• 2 teaspoons olive oil
• 2 tablespoons lime juice
• 2 garlic cloves, minced
• 1/2 teaspoon salt
• 1/2 teaspoon ground cumin
• 1/4 teaspoon chili powder
• 1/8 teaspoon dried oregano
• 1 pound extra-lean ground turkey
• SAUCE:
• 1 medium ripe avocado, peeled
• 1/2 cup fat-free sour cream
• 2 tablespoons minced fresh cilantro
• 2 teaspoons lime juice
• 1 garlic clove, minced
• 1/8 teaspoon salt
• SERVING:
• 4 whole wheat hamburger buns, split
• Shredded lettuce and reduced-fat Mexican cheese blend, optional
• Sliced tomato and red onion, optional