Zesty Greek Chicken Gyros with Homemade Tzatziki Sauce - Recipes by Lena

Ingredients

• 1 lb chicken breast
• 2 tablespoons olive oil
• 2 tablespoons lemon juice
• 2 cloves garlic, minced
• 1 teaspoon dried oregano
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 4 pita breads
• 1 cup tzatziki sauce
• 1 cup chopped lettuce
• 1/2 cup diced tomatoes
• 1/4 cup sliced red onion