Greek Chicken Burgers with Lemon Pepper Yogurt Sauce

Name: Greek Chicken Burgers with Lemon Pepper Yogurt Sauce
Prep time: 10 min
Cook time: 15 min
Yield: 4
Cuisine: Greek,
Ingredients: 1/4 cup (60 ml) mayonnaise; 1/4 cup (60 ml) plain low-fat Greek yogurt; 2 1/2 tsps (12 ml) lemon and pepper grinder (club house) divided; 1 pound (500 g) ground chicken; 1/4 cup (60 ml) crumbled feta cheese; 2 tbsps (30 ml) finely chopped red onion; 1 tsp (5 ml) garlic powder (club house); 1 tsp (5 ml) oregano leaves (club house); 4 whole wheat rolls toasted; 4 leaves green leaf lettuce; 1 medium tomato sliced; 8 thin slices cucumber