Quick beef gyros with tzatziki sauce

Quick beef gyros with tzatziki sauce
Ingredients
Jr. North Division Winner
Meghan Mims, Cordova High School, Walker County
Start-to-finish: 20 minutes, Serves 4
Filling:
1 pound lean ground beef
1½ teaspoons dried oregano
1 teaspoon garlic powder
1 teaspoon onion powder
1 teaspoon salt
1 teaspoon pepper
Tzatziki sauce:
8 ounces (1 cup) plain yogurt
1/3 cup cucumber, seeded and chopped into ½-inch pieces
2 tablespoons onion, finely chopped
1 clove garlic, minced
Salt and pepper to taste
Serve with:
4 pitas
3 cups shredded lettuce
½ onion, thinly sliced
1 large tomato, chopped
Preparation
In a skillet, combine ground beef and seasonings. Cook on medium heat until brown; drain. Meanwhile, combine sauce ingredients in a large bowl. Cover and refrigerate.
Cut pitas open and stuff with ground beef. Serve with lettuce, onion and tomato. Garnish with tzatziki sauce.