Gyro Meat with Tzatziki Sauce recipes

Name: Gyro Meat with Tzatziki Sauce recipes
Ingredients: 1 medium onion, finely chopped (we used the food processor); 1 pound ground lamb; 1 pound ground beef; 1 tablespoon finely minced garlic (we probably used a little more); 1 tablespoon dried marjoram; 1 tablespoon dried ground rosemary; 2 teaspoons kosher salt; 1/2 teaspoon freshly ground black pepper; tzatziki sauce; 16 ounces plain yogurt (we used Dannon because it came in the right sized container); 1 medium cucumber, peeled, seeded, and finely chopped; Pinch kosher salt; 4 cloves garlic, finely minced; 1 tablespoon olive oil (we used extra virgin); 2 teaspoons red wine vinegar; 5 to 6 fresh mint leaves, finely minced