Greek Chicken Souvlaki

Ingredients

• 1 1/2 pounds boneless skinless chicken breasts cut into 1-inch cubes
• 1/4 cup olive oil
• 1/4 cup lemon juice
• 3 cloves garlic minced
• 1 Tbsp dried oregano
• 1/2 tsp salt
• 1/4 tsp black pepper
• 4 whole pita bread
• 1 cup tzatziki sauce
• 1 whole Greek salad