Prep/total time: 30 minutes | Yield: 4 servings

1 carton (8 ounces) plain yogurt
1/3 cup chopped seeded cucumber
2 tablespoons finely chopped onion
1 garlic clove, minced
1 teaspoon sugar

Filling
1-1/2 teaspoons dried oregano
1 teaspoon garlic powder
1 teaspoon onion powder
1 teaspoon salt, optional
3/4 teaspoon pepper
1 pound ground beef
4 pita breads (6 inches), halved, warmed
3 cups shredded lettuce
1 large tomato, chopped
1 small onion, sliced

In a small bowl, combine the first five ingredients. Chill. In a large bowl, combine seasonings; crumble beef over mixture and mix well. Shape into four patties.

Grill, covered, over medium-hot heat f 6-7 minutes on each side or until a meat thermometer reads 160°. Cut patties it thin slices; stuff into pita halves. Add lettuce, tomato, and onion. Serve with the yogurt sauce.