Greek Turkey Burgers with Tzatziki Sauce

Tzatziki Sauce

• 1 container (6 oz) Greek Fat Free plain yogurt
• 1/4 cup chopped cucumber
• 2 tablespoons chopped red onion
• 1 tablespoon chopped fresh or 1 teaspoon dried dill weed
• 2 teaspoons fresh lemon juice

Burgers

• 1 lb lean ground turkey
• 1 cup crumbled feta cheese (4 oz)
• 1/3 cup chopped red onion
• 1 tablespoon chopped fresh or 1 teaspoon dried dill weed
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1 clove garlic, finely chopped
• 4 whole wheat burger buns, split
• 1 medium tomato, thinly sliced