Greek Burgers w Tzatziki

In the absence of vegetarian pastitsio (I haven't given up yet!), we've had Greek Meatloaf, Greek double baked lemon potatoes, lemon scallops, and Greek rice pudding straight from Papui. Why not add one more :) I LOVE Greek food!!

Greek Turkey Burgers With Tzatziki Sauce
Start to Finish: 20 min
Ingredients

Tzatziki Sauce:

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

Burgers:

1 lb your favorite turkey substitute. I'm trying MSF California Turkey Burgers this time, but I'm looking ahead to using leftover Thanksgiving Tofurkey. So Good!!!
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

1. In small bowl, mix 1/2 cup yogurt and remaining sauce ingredients; refrigerate until serving.

2. Heat gas or charcoal grill. In medium bowl, mix all burger ingredients and remaining yogurt. Shape mixture into 4 patties, about 1/2 inch thick.

3. Place patties on grill over medium heat. Cover grill; cook 8 to 10 minutes, turning after 5 minutes, until thermometer inserted in center of patties reads 160°F. Place burgers in buns with tomato slices and sauce.

How-To Broil patties with tops about 6 inches from heat 4 minutes; turn patties. Cook 6 to 8 minutes longer or until meat thermometer inserted in center of patties reads 160°F.

Substitution Finely shredded Monterey Jack cheese can be substituted for the feta cheese.